Question

rationalize the denominator 5/√7+√8​

Answer 1

5/√7+√8

it can be written as√8+√7

=5/√8+√7 × √8-√7 / √8-√7

=5√8-5√7 / (√8)²- (√7)²

=5√8-5√7 / 64 -49

=5√8-5√7 / 15

= √8-√7 / 3

Answer 2

hiii dear

5/√7+√8

it can be written as√8+√7

=5/√8+√7 × √8-√7 / √8-√7

=5√8-5√7 / (√8)²- (√7)²

=5√8-5√7 / 64 -49

=5√8-5√7 / 15

= √8-√7 / 3

hope this answer helpful u