যদি a>0 হয় তবে $\int _{2a}^{a^{2}}\frac{1}{x}dx$ এর মান কত?

A $log_{e} \frac{a}{2}$

B $log_{e} (a^{2}-2a)$

C $log_{e}2$

D 2

Solution

Correct Answer: Option A

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