x=√a+√b÷√a-√b , find x-1/x
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Answer:
√a+√b÷√a-√b -√a-√b÷√a+√b={(√a+√b)^2-(√a-√b)^2}÷a-b
Step-by-step explanation:
{a+b+√ab-a-b+2√ab}÷a-b
4√ab÷a-b
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