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$\int \frac{e^{x} (1 + x)}{\cos^{2} (x e^{x})} d x$ এর মান কোনটি?

\sin (x e^{x}) + C

\cos (x e^{x}) + C

\tan (x e^{x}) + C

\cos^{2} (x e^{x}) + C

ANS : 3

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