$k \in N, \int \frac{1-k \cos ^2 x}{\sin ^k x \cdot \cos ^2 x} d x=$

  • A
    $\frac{\tan x}{\sin ^{k+x}}+C$
  • B
    $\frac{\tan x}{\sin ^k x}+C$
  • C
    $\sin ^k x \sec ^2 x+C$
  • D
    $k \sin ^{k-1} x \cos x+C$

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જો $f(x) = \int \left[ \tan^2 x + \cot^2 x + \frac{4(\sin^3 x + \cos^3 x)}{\sin^2 2x} \right] dx$ અને $f\left(\frac{\pi}{4}\right) = 0$ હોય,તો $3 \left[ f\left(\frac{\pi}{6}\right) + 2 \right] = $

$\int \frac{x - 1}{(x + 1) \sqrt{x(x^2 + x + 1)}} dx =$

જો $\int \frac{(x^2-1)}{(x+1)^2 \sqrt{x(x^2+x+1)}} dx = A \tan^{-1}\left(\sqrt{\frac{x^2+x+1}{x}}\right) + C$,જ્યાં $C$ એક અચળાંક છે,તો $A$ ની કિંમત શોધો.

જો $\int \sin ^{-1}\left(\sqrt{\frac{x}{1+x}}\right) d x=A(x) \tan ^{-1}(\sqrt{x})+B(x)+C$ હોય,જ્યાં $C$ એ સંકલનનો અચળાંક છે,તો ક્રમયુક્ત જોડ $(A(x), B(x))$ શું હોઈ શકે?

સંકલન શોધો: $\int \frac{2x+3}{\sqrt{3x^2-2x+1}} dx$

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