1.

\(\frac{x-y}{\sqrt{x}-\sqrt{y}}\) = .......................A) √x + √y B) √x – y C) x – √y D) 1 – y

Answer»

Correct option is  A) √x + √y

Correct option is (A) √x + √y

\(\frac{x-y}{\sqrt x-\sqrt y}=\frac{(\sqrt x+\sqrt y)(\sqrt x-\sqrt y)}{\sqrt x-\sqrt y}\)

\(\sqrt x+\sqrt y\)



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