Q. 135.0( 1 Vote )

Prove following numbers are irrational.

Answer :

Let is a rational number

Therefore, k =

Squaring both sides we have,

is rational

is also rational

But, we know that is irrational.

So, our assumption is wrong.

is an irrational number.

So, is also an irrational number.

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Prove is irrational.

Gujarat Board Mathematics

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