Potence in koreni so dve strani istega kovanca - potenciranje... Show more
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Updated Mar 22, 2026
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Potence in koreni so dve strani istega kovanca - potenciranje... Show more







Potence so super praktičen način, da se znebimo dolgega pisanja. Namesto 5 × 5 × 5 enostavno napišeš 5³. Osnova je število, ki ga množiš (5), eksponent pa pove, kolikokrat (3).
Koreni delujejo v obratno smer. Če veš, da je 5² = 25, potem je √25 = 5. To pomeni, da iščeš število, ki ga moraš pomnožiti samo s seboj, da dobiš 25.
Najbolj osnovni so kvadratni koreni (√) in kubični koreni (∛). Prvi te vpraša "katero število na kvadrat da ta rezultat?", drugi pa "katero število na kub?".
Nasvet: Zapomni si popolne kvadrate do 225 - to ti bo prihranilo ogromno časa pri računanju!

Tu so vsa pravila za potence, ki jih moraš znati na pamet. Brez njih se ne da rešiti nobene naloge.
Pri množenju potenc z enako osnovo sešteješ eksponente: a^m × a^n = a^. Če imaš 2³ × 2⁴, dobiš 2⁷. Pri deljenju jih odšteješ: a^m ÷ a^n = a^.
Potenciranje potence pomeni, da eksponente množiš: ^n = a^(m×n). Torej (3²)³ = 3⁶. Potenciranje produkta ali ulomka pa razdeliš: (a×b)^n = a^n × b^n.
Posebna eksponenta: a⁰ = 1 (za vse a ≠ 0) in a^ = 1/a^n. Negativen eksponent pomeni, da je potenca v imenovalcu!
Opomba: Pazi na predznake! (-2)⁴ = 16, ampak -2⁴ = -16. Oklepaji so ključni!

Koreni imajo svoja pravila, ki so podobna pravilom za potence. Koren produkta je produkt korenov: √(a×b) = √a × √b. Koren ulomka je ulomek korenov: √ = √a/√b.
Pozor - koren vsote ni vsota korenov! √(9+16) = √25 = 5, medtem ko √9 + √16 = 3 + 4 = 7. To ni isto!
Delno korenjenje uporabiš, ko število pod korenom ni popoln kvadrat. Iščeš največji popoln kvadrat, ki deli tvoje število. Pri √72 je to 36, torej √72 = √(36×2) = 6√2.
Racionalizacija imenovalca pomeni, da se znebimo korena v imenovalcu. Ulomek 5/√3 pomnožimo z √3/√3 in dobimo 5√3/3.
Ključno: Seštevamo lahko samo korene z istim korenjencem. 2√5 + 3√5 = 5√5, ampak 2√5 + 3√2 se ne da poenostaviti!

Oglejmo si korak za korakom reševanje kompleksnega primera: ² × a^(-4) / b³.
Najprej rešimo oklepaj: ² = a⁴b^(-4). Potem množimo potence z enako osnovo: a⁴ × a^(-4) = a⁰ = 1. Ostane nam b^(-4)/b³ = b^(-7).
Končni rezultat je b^(-7) ali 1/b⁷. Oba zapisa sta pravilna, vendar ponavadi uporabljamo pozitivne eksponente.
Pri seštevanju korenov najprej vse delno korenimo, da imamo iste korenjence. 2√12 - √75 + √3 postane 4√3 - 5√3 + √3 = 0√3 = 0.
Nasvet: Vedno najprej poenostavi vse korene, šele potem seštevaj ali odštevaj!

Racionalizacija je postopek, ko se znebimo korena v imenovalcu. Pri 6/(5√2) pomnožimo z √2/√2 in dobimo 6√2/10 = 3√2/5.
Najpogostejše napake: ² ni a² + b²! Pravilno je ² = a² + 2ab + b². Podobno √ ni a + b.
Pomembni popolni kvadrati: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225. Kubi: 1, 8, 27, 64, 125.
Pazi na predznake pri lihih in sodih eksponentih! (-2)³ = -8, vendar (-2)⁴ = 16.
Opomnik: Seznam popolnih kvadratov se nauči na pamet - prihranil ti bo ogromno časa pri testih!

Osnovna pravila za potence: a^m × a^n = a^, a^m ÷ a^n = a^, ^n = a^(mn), a⁰ = 1, a^ = 1/a^n.
Osnovna pravila za korene: √(a×b) = √a × √b, √ = √a/√b. Koren vsote ni vsota korenov!
Praktični pristopi: Pri delnem korenjenju išči največji popoln kvadrat. Pri racionalizaciji pomnožiti števec in imenovalec s korenom iz imenovalca.
Ključni spominski trik: Potence so "hitro množenje", koreni pa "iskanje izvirnega števila". Oba koncepta boš potreboval v geometriji in fiziki.
Za test: Preveriti znanje z nekaj kombiniranimi nalogami, kjer uporabiš več pravil skupaj!
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Potence in koreni so dve strani istega kovanca - potenciranje je večkratno množenje istega števila, korenjenje pa obratna operacija. Te koncepte boš uporabljal v geometriji, fiziki in kasneje v višji matematiki.

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Potence so super praktičen način, da se znebimo dolgega pisanja. Namesto 5 × 5 × 5 enostavno napišeš 5³. Osnova je število, ki ga množiš (5), eksponent pa pove, kolikokrat (3).
Koreni delujejo v obratno smer. Če veš, da je 5² = 25, potem je √25 = 5. To pomeni, da iščeš število, ki ga moraš pomnožiti samo s seboj, da dobiš 25.
Najbolj osnovni so kvadratni koreni (√) in kubični koreni (∛). Prvi te vpraša "katero število na kvadrat da ta rezultat?", drugi pa "katero število na kub?".
Nasvet: Zapomni si popolne kvadrate do 225 - to ti bo prihranilo ogromno časa pri računanju!

Access to all documents
Improve your grades
Join milions of students
Tu so vsa pravila za potence, ki jih moraš znati na pamet. Brez njih se ne da rešiti nobene naloge.
Pri množenju potenc z enako osnovo sešteješ eksponente: a^m × a^n = a^. Če imaš 2³ × 2⁴, dobiš 2⁷. Pri deljenju jih odšteješ: a^m ÷ a^n = a^.
Potenciranje potence pomeni, da eksponente množiš: ^n = a^(m×n). Torej (3²)³ = 3⁶. Potenciranje produkta ali ulomka pa razdeliš: (a×b)^n = a^n × b^n.
Posebna eksponenta: a⁰ = 1 (za vse a ≠ 0) in a^ = 1/a^n. Negativen eksponent pomeni, da je potenca v imenovalcu!
Opomba: Pazi na predznake! (-2)⁴ = 16, ampak -2⁴ = -16. Oklepaji so ključni!

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Improve your grades
Join milions of students
Koreni imajo svoja pravila, ki so podobna pravilom za potence. Koren produkta je produkt korenov: √(a×b) = √a × √b. Koren ulomka je ulomek korenov: √ = √a/√b.
Pozor - koren vsote ni vsota korenov! √(9+16) = √25 = 5, medtem ko √9 + √16 = 3 + 4 = 7. To ni isto!
Delno korenjenje uporabiš, ko število pod korenom ni popoln kvadrat. Iščeš največji popoln kvadrat, ki deli tvoje število. Pri √72 je to 36, torej √72 = √(36×2) = 6√2.
Racionalizacija imenovalca pomeni, da se znebimo korena v imenovalcu. Ulomek 5/√3 pomnožimo z √3/√3 in dobimo 5√3/3.
Ključno: Seštevamo lahko samo korene z istim korenjencem. 2√5 + 3√5 = 5√5, ampak 2√5 + 3√2 se ne da poenostaviti!

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Join milions of students
Oglejmo si korak za korakom reševanje kompleksnega primera: ² × a^(-4) / b³.
Najprej rešimo oklepaj: ² = a⁴b^(-4). Potem množimo potence z enako osnovo: a⁴ × a^(-4) = a⁰ = 1. Ostane nam b^(-4)/b³ = b^(-7).
Končni rezultat je b^(-7) ali 1/b⁷. Oba zapisa sta pravilna, vendar ponavadi uporabljamo pozitivne eksponente.
Pri seštevanju korenov najprej vse delno korenimo, da imamo iste korenjence. 2√12 - √75 + √3 postane 4√3 - 5√3 + √3 = 0√3 = 0.
Nasvet: Vedno najprej poenostavi vse korene, šele potem seštevaj ali odštevaj!

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Improve your grades
Join milions of students
Racionalizacija je postopek, ko se znebimo korena v imenovalcu. Pri 6/(5√2) pomnožimo z √2/√2 in dobimo 6√2/10 = 3√2/5.
Najpogostejše napake: ² ni a² + b²! Pravilno je ² = a² + 2ab + b². Podobno √ ni a + b.
Pomembni popolni kvadrati: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225. Kubi: 1, 8, 27, 64, 125.
Pazi na predznake pri lihih in sodih eksponentih! (-2)³ = -8, vendar (-2)⁴ = 16.
Opomnik: Seznam popolnih kvadratov se nauči na pamet - prihranil ti bo ogromno časa pri testih!

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Improve your grades
Join milions of students
Osnovna pravila za potence: a^m × a^n = a^, a^m ÷ a^n = a^, ^n = a^(mn), a⁰ = 1, a^ = 1/a^n.
Osnovna pravila za korene: √(a×b) = √a × √b, √ = √a/√b. Koren vsote ni vsota korenov!
Praktični pristopi: Pri delnem korenjenju išči največji popoln kvadrat. Pri racionalizaciji pomnožiti števec in imenovalec s korenom iz imenovalca.
Ključni spominski trik: Potence so "hitro množenje", koreni pa "iskanje izvirnega števila". Oba koncepta boš potreboval v geometriji in fiziki.
Za test: Preveriti znanje z nekaj kombiniranimi nalogami, kjer uporabiš več pravil skupaj!
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user