Theorem 1.4 | Root 2 is irrational. Chapter 1-Real Number Class 10th in hindi

In this video we are going to prove that root 2 is irrational by contradiction method.
From Chapter 1- Real numbers for class 10th
(NCERT).

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And sir how 2c=a
I done it by taking an example but i dint get it
Plzz reply sir

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Hey..
I made a video just now on this topic and uploaded in my channel have a look you’ll get a clarity on
Why we took 2c=a
ua-cam.com/channels/HNO_Y3DskuKiw9VTvo8AMw.html

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Finally I got it.

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What is theorem 1.3

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26-06-22

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why we are putting 2c??

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Sir in Video pronouncing 2c^2 as 2ca^2😀
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what is c in this

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Some random integer

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2c=a

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Prove root 11

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It's the same instead it will be 11 which will divide both a and b