$\int \frac{xdx}{\sqrt{1-x^2}} = f(x) + c$ হলে f(x) = কত? (ক) $\sin^{-1} x$ (খ) $\cos^{-1} x$ (গ) $\ln (\sqrt{1-x^2})$ (ঘ) $-\sqrt{1-x^2}$

ID#7055 HSC Higher Math 1st MCQ (Dinajpur 2023)

$\int \frac{xdx}{\sqrt{1-x^2}} = f(x) + c$ হলে f(x) = কত?

ক) (ক) $\sin^{-1} x$

খ) (খ) $\cos^{-1} x$

গ) (গ) $\ln (\sqrt{1-x^2})$

ঘ) (ঘ) $-\sqrt{1-x^2}$

ঘ

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