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Differential Equations

JEE Main 2022 (Online) 25th June Morning Shift

MCQ+4 / -12022
ধরি \(g:(0,\infty ) \to R\) একটি অন্তরকলন যোগ্য অপেক্ষক যাতে


\(\mathop \smallint \nolimits^{} \left( {{{x(\cos x - \sin x)} \over {{e^x} + 1}} + {{g(x)\left( {{e^x} + 1 - x{e^x}} \right)} \over {{{({e^x} + 1)}^2}}}} \right)dx = {{x\,g(x)} \over {{e^x} + 1}} + c\), \(\forall \,x > 0\),


যেখানে c একটি ধ্রুবক, তবে :

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