Question

If √2-1/√2+1 =a+b find the value of a and b

Answer 1

Answer:

(√2-1)×(√2+1)=(√2-1)2=2-1=1

Answer 2

Formula's used is (a-b)²=a²+b²-2ab and a²- b²=(a+b)(a-b) . Concept used is rationalization . Answer with steps is attached with photo . a=3 and b=-2 .

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