MCQ
$\int \frac{e^{\tan ^{-1} x}}{\left(1+x^2\right)} d x=?$
- A$\frac{e^{\tan ^{-1} x}}{x}+C$
- ✓$e^{\tan ^{-1} x}+C$
- C$e^x \tan ^{-1} x+C$
- Dइनमें से कोई नहीं
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