કોઈપણ પૂર્ણાંક $n$ માટે,સંકલન $\int_0^\pi e^{\cos^2 x} \cos^3(2n+1)x \, dx$ નું મૂલ્ય શોધો.

  • A
    $\pi$
  • B
    $1$
  • C
    $0$
  • D
    $\frac{3\pi}{2}$

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જો $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \frac{96 x^2 \cos^2 x}{1+e^x} dx = \pi(\alpha \pi^2 + \beta)$,જ્યાં $\alpha, \beta \in \mathbb{Z}$,તો $(\alpha + \beta)^2$ ની કિંમત શોધો:

ધારો કે $L = \sqrt[3]{2012} + \sqrt[3]{2013} + \ldots + \sqrt[3]{3011}$,$R = \sqrt[3]{2013} + \sqrt[3]{2014} + \ldots + \sqrt[3]{3012}$,અને $I = \int_{2012}^{3012} \sqrt[3]{x} \, dx$. તો,

$\int_{\frac{-\pi}{2}}^{\frac{\pi}{2}} \frac{\cos x}{1+e^x} d x=$

$\int_0^{\pi /2} \frac{\sqrt{\cot x}}{\sqrt{\cot x} + \sqrt{\tan x}} \, dx = $

સંકલન $\int_0^\pi \frac{(x+3) \sin x}{1+3 \cos ^2 x} d x$ ની કિંમત શોધો:

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