Question

1/√7, Rationalise the denominators of the given numbers.

Answer 1

Given number - 1 / √7

Rationalizing the denominator needs to be done. Hence the rationalizing factor for the above equation is √ 7.

Hence multiplying the rationalizing factor on both the numerator and denominator we get,

1 * √7 / √7 * √7

=> √7 / ( √7 )²

=> √7 / 7

Hence after rationalizing the denominator we get √7 / 7 as the answer.

Answer 2

$\bold{Answer :}$

We rationalize the denominator of the given number by multiplying both its numerator and its denominator with the number √7

Then,

1/(√7)

= (√7)/(√7 × √7)

= (√7)/7,

which is the required form

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