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নিচের কোনটি (

\sqrt{5} - \sqrt{3}

এর সমান?

\sqrt{2}

\frac{1}{2 (\sqrt{5} - \sqrt{3})}

\frac{1}{\sqrt{5}} + \frac{1}{\sqrt{3}}

\frac{2}{\sqrt{3} + \sqrt{5}}

ANS : 4

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