Math, asked by reshmabetageri69, 1 month ago

PLEASE SEND FAST
IT IS URGENT
SOLVE USING LAW OF EXPONENTS

CLASS 9

ONLY LAST ONE IS RATIONALISA DENOMINTAR

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Answers

Answered by vinnyraj08

0

Answer:

-(2√7 +2√8)

Step-by-step explanation:

Q. 2/√7-√8

(2/√7-√8)*(√7+√8)

2(√7+√8) / (√7)²-(√8)². [ {a+b}{a-b} ]

2√7 +2√8/(√7)²-(√8)²

2√7 +2√8/ 7-8

2√7 +2√8/-1

-(2√7 +2√8)

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