यदि $\int e^{\sin ^2 x}(\sin x \cos x+\cos ^3 x \sin x) d x = e^{\sin ^2 x}(1+f(x))+c$ है, तो $f^{\prime}(x)=$

  • A
    $\frac{1}{2} \sin ^2 x$
  • B
    $\frac{1}{2} \cos ^2 x$
  • C
    $-\frac{1}{2} \cos 2 x$
  • D
    $-\frac{1}{2} \sin 2 x$

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यदि $\int \frac{dx}{(x^2+9) \sqrt{x^2+16}} = \frac{1}{3 \sqrt{7}} \operatorname{Tan}^{-1} \left( K \frac{x}{\sqrt{16+x^2}} \right) + c$ है, तो $K=$

यदि $\int \frac{dx}{(x-1)^{3/2}(x-3)^{1/2}} = \sqrt{f(x)} + c$ है,तो $f(-1) - f(0) =$ ज्ञात कीजिए।

यदि $\int \frac{\sqrt{1-x^4}}{x^7} d x=f(x)\left\{\sqrt{1-x^4}\right\}^n+C$ है,तो $(f(x))^n$ का मान ज्ञात कीजिए।

$\int \left(\frac{x-3}{x^2+9}\right)^2 \, dx =$

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