Question

please solve this question ​

Answer 1

HELLO DEAR :D

$\frac{1}{3 - \sqrt{11} }$

$\frac{1 }{3 - \sqrt{11} } \times \frac{3 + \sqrt{11} }{3 + \sqrt{11} }$

$\frac{3 + \sqrt{11} }{9 - 11}$

$\frac{3 + \sqrt{11} }{ - 2} \\ = > \frac{- (3 + \sqrt{11} ) }{2}$

SO THE RATIONALISING FACTOR IS 3+√11

more points regarding the topic :-

⚫what is the meaning of rationalization ?

=> to make a company

⚫how can be rationalize the denominator?

=> just multiply numerator and denominator by a no. opposite to the irrational no. present in denominator.

HOPE IT HELPS

^_^