यदि ${I_n} = \int\limits_0^{\frac{\pi }{4}} {{{\tan }^n}x\,dx}$ है,तो $\mathop {\lim }\limits_{n \to \infty } \,n({I_n} + {I_{n - 2}})$ का मान ज्ञात कीजिए।

  • A
    $1/2$
  • B
    $1$
  • C
    $\infty$
  • D
    $0$

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यदि $[x]$ महत्तम पूर्णांक $\leq x$ है,तो $\pi^{2} \int_{0}^{2}\left(\sin \frac{\pi x}{2}\right)(x-[x])^{[x]} d x$ का मान ज्ञात कीजिए :

$\int_{-\pi / 2}^{\pi / 2} \frac{\cos x}{1+e^{x}} d x$ का मान ज्ञात कीजिए।

यदि $I = \int_0^\pi x \left\{ \sin^2(\sin x) + \cos^2(\cos x) \right\} dx$ है,तो $[I] = \ldots$ ज्ञात कीजिए। यहाँ,$[.]$ महत्तम पूर्णांक फलन को दर्शाता है।

$\int_{\pi / 11}^{9 \pi / 22} \frac{d x}{1+\sqrt{\tan x}} = $

$\int_3^5(x-3)^3(5-x)^5 d x=$

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