Q. 144.2( 11 Votes )

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Answer :


To prove: It is irrational number.


Suppose that is a rational number.

It means it will be of for where a and b are integers and b not equal to zero.


But √5 Is an irrational number which contradicts the fact that is a rational number.

So, our assumption is wrong.

Hence,is an irrational number.

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<span lang="EN-USRS Aggarwal - Mathematics