Question

What is rationalising factor?

Answer 1

rationalising factor is nothing but the number which is multiplied to a number to get a rational number

Answer 2

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What is rationalising factor?

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If the product of to surds is a rational number then each of them is called rationalizing factor of each other.

The Rationalizing factor is given by:-

$\leadsto \sf{ \sqrt[n]{a} = {a}^{n - \frac{1}{n} } }$