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Question

$\frac{1}{x} - \frac{1}{y} = 2$ এবং $\frac{1}{x^{2}} - \frac{1}{y^{2}} = 8$ হলে $\frac{1}{x} + \frac{1}{y} = ক ত ?$

4

1/4

6

8

ANS : 1

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