rationalize the denominator 5/√7+√8
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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
05shilpa20030:
thanks
Answered by
5
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
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