Question

please help me to solve these questions please! don't say wrong options​

Answer 1

Answer:

None of these

The rationalising factor is root 5.

Answer 2

*Question:-

Rationalising the factor of denominator of

1/2√3 - √5 is

*Answer:-

• D) None of these

Because in denominator there is (2√3 - √5) , so as to rationalize it,

Means making the denominator a rational number we have to multiply (2√3 + √5) in both numerator and denominator.

Hence it is also a rationalizing factor.

$@shwetasingh1421977$