$\int_0^{\pi / 4} \frac{1}{5 \cos ^2 x+16 \sin ^2 x+8 \sin x \cos x} d x=$

  • A
    $\operatorname{Tan}^{-1}\left(\frac{4}{5}\right)$
  • B
    $2 \operatorname{Tan}^{-1}\left(\frac{3}{5}\right)$
  • C
    $\frac{1}{8} \operatorname{Tan}^{-1}\left(\frac{8}{9}\right)$
  • D
    $\frac{1}{4} \operatorname{Tan}^{-1}\left(\frac{7}{8}\right)$

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Similar Questions

मान लीजिए $l = \mathop {Lim}\limits_{x \to \infty } \int\limits_x^{2x} \frac{dt}{t}$ और $m = \mathop {Lim}\limits_{x \to \infty } \frac{1}{x \ln x} \int\limits_1^x \ln t \, dt$ है,तो सही कथन है:

$\int_0^{\pi /2} {\frac{{\sin x\cos x\,dx}}{{{{\cos }^2}x + 3\cos x + 2}}} = $

समाकलन $\int_{0}^{2} \frac{d x}{x+4-x^{2}}$ का मान ज्ञात कीजिए।

यदि $\int_{0}^{a} \sqrt{\frac{a - x}{x}} dx = \frac{K}{2}$ है,तो $K = . . . . . .$.

निश्चित समाकल की परिभाषा द्वारा,$\lim _{n \rightarrow \infty}\left(\frac{1^4}{1^5+n^5}+\frac{2^4}{2^5+n^5}+\frac{3^4}{3^5+n^5}+\ldots+\frac{n^4}{n^5+n^5}\right)$ का मान ज्ञात कीजिए।

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