यदि $\int f(x) \sin x \cos x \, dx = \frac{1}{2(b^2 - a^2)} \log(f(x)) + c$ है,तो $f(x) = $

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

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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 $\int f(x) \sin x \cos x \, dx = \frac{1}{2(b^2 - a^2)} \log f(x) + c$ है,जहाँ $c$ समाकलन का स्थिरांक है,तो $f(x)$ क्या है?

यदि $\int \frac{a \cos x-2 \sin x}{b \sin x+5 \cos x} d x=\frac{7}{41} x+\frac{22}{41} \log |b \sin x+5 \cos x|+C, (a>0, b>0)$, तो $\int \frac{d x}{b+a \cos x}=$

$\frac{e^{-\pi/4} + \int_0^{\pi/4} e^{-x} \tan^{50} x \, dx}{\int_0^{\pi/4} e^{-x} (\tan^{49} x + \tan^{51} x) \, dx}$ का मान है

$\int \frac{x^2}{(x\sin x + \cos x)^2} \, dx = $

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