$\int \frac{1}{1 + \cos^2 x} dx = $

  • A
    $\frac{1}{\sqrt{2}} \tan^{-1}(\tan x) + c$
  • B
    $\frac{1}{\sqrt{2}} \tan^{-1}\left( \frac{1}{2} \tan x \right) + c$
  • C
    $\frac{1}{\sqrt{2}} \tan^{-1}\left( \frac{1}{\sqrt{2}} \tan x \right) + c$
  • D
    આમાંથી કોઈ નહીં

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જો $I_n=\int(\cos ^n x+\sin ^n x) d x$ અને $I_n-\frac{n-1}{n} I_{n-2}=\frac{\sin x \cos x}{n} f(x)$ હોય,તો $f(x)=$

જો $I_1 = \int \sin^6 x \, dx$ અને $I_2 = \int \cos^6 x \, dx$ હોય, તો $I_1 + I_2 = $

જો $\int\left(\frac{1}{x}+\frac{1}{x^3}\right)\left(\sqrt[23]{3 x^{-24}+x^{-26}}\right) d x =-\frac{\alpha}{3(\alpha+1)}\left(3 x^\beta+x^\gamma\right)^{\frac{\alpha+1}{\alpha}}+C, x>0,$ $(\alpha, \beta, \gamma \in Z)$,જ્યાં $C$ એ સંકલનનો અચળાંક છે,તો $\alpha+\beta+\gamma$ ની કિંમત . . . . . . છે.

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