Mark (√) against the correct answer in each of the following:
Formula :- 
Therefore ,
⇒
(Rationalizing the denominator)
⇒
⇒
⇒
⇒
1
Mark (√) against the correct answer in each of the following:
Formula :-
Therefore ,
⇒ (Rationalizing the denominator)
⇒
⇒
⇒
⇒