$\int_0^1 \frac{1}{\sqrt{3+2x-x^2}} dx =$

  • A
    $\frac{\pi}{2}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{\pi}{3}$
  • D
    $\frac{\pi}{6}$

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निश्चित समाकलन का मान ज्ञात कीजिए: $\int_0^{\pi /2} \cos^2 x \, dx$

$\int_2^5 \sqrt{\frac{5-x}{x-2}} \, dx =$

यदि $I_n = \int_0^{\frac{\pi}{2}} \cos^n x \cos(nx) dx$ है,तो $I_1, I_2, I_3, \ldots$ किसमें हैं?

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

मान लीजिए $f(x) = \begin{cases} \frac{x}{\sin x}, & x \in (0, 1) \\ 1, & x = 0 \end{cases}$. समाकल $I_n = \sqrt{n} \int_0^{1/n} f(x) e^{-nx} dx$ पर विचार करें। तब,$\lim_{n \to \infty} I_n$ है:

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