Q. 15.0( 1 Vote )

Prove that <span

Answer :

Let us assume, to the contrary, that is rational.

So that we can find integers a and b (b 0), such that where a and b coprime.


Rearranging this equation, we get




Since a and b are integers, we get that is rational and so is irrational.


So we contradicts the fact that is irrational.


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