$\int_{0}^{1} \frac{4 \, dx}{1+x^2} = কত?$ $4 \ln 2$ $\ln 2$ $\pi$ $\frac{\pi}{4}$

ID#6923 HSC Higher Math 1st MCQ (Jessore 2023)

$\int_{0}^{1} \frac{4 \, dx}{1+x^2} = কত?$

ক) $4 \ln 2$

খ) $\ln 2$

গ) $\pi$

ঘ) $\frac{\pi}{4}$

গ

একটানা সকল প্রশ্নের সমাধান পড়ুন

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