what is the simplest rationalization factor of root 5 and why?kindly explain .

Two surds are said to be rationalising factor of each other if the product of these two surds is a rational number.

We know that, √5 × √5 = 5, which is a rational number. Therefore, the simplest rationalising factor of √5 is √5 .

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The simplest rationalizing facor of  root5 is root 5

Because, root5 * root5

=> 51/2 * 51/2

=> 5(1/2)+(1/2)

=>51

=> 5 [which is a rational no.]

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