यदि $\int_3^b \frac{x-1}{2x-x^2} dx = \frac{1}{2}$ है,तो $(b-1)^2 =$

  • A
    $2$
  • B
    $\sqrt{2}$
  • C
    $1+\frac{3}{e}$
  • D
    $\sqrt{\frac{3}{e}-1}$

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यदि $\int_0^b \frac{dx}{1+x^2} = \int_b^{\infty} \frac{dx}{1+x^2}$ है,तो $b$ का मान ज्ञात कीजिए।

$\int_{1}^{2} \frac{x^{3} - 1}{x^{2}} dx =$

$\int_0^{\pi /2} e^x \sin x \, dx = $

यदि $f(x)=\sin ^6 x+\cos ^6 x+2 \sin ^3 x \cos ^3 x$ है, तो $\int_0^{\pi / 4} \frac{\sin ^2 2 x}{f(x)} d x=$

$ \int_{0}^{\frac{\pi}{2}} \frac{dx}{1+\cos x} = $

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