જો $\int \frac{(x-1) dx}{(x+1) \sqrt{x^3+x^2+x}} = A \cdot \tan^{-1} \sqrt{f(x)} + \text{અચળ}$, તો ક્રમયુક્ત જોડ $(A, f(-1)) =$

  • A
    $(2, 1)$
  • B
    $(2, -1)$
  • C
    $(1, 2)$
  • D
    $(-2, 2)$

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$\int \frac{d x}{9 \cos ^2 2 x+16 \sin ^2 2 x}=$

$\int \sqrt{\frac{1-\sqrt{x}}{1+\sqrt{x}}} \, dx = $ (જ્યાં $C$ એ સંકલનનો અચળાંક છે)

જો $\int {\frac{{\tan x}}{{1 + \tan x + {{\tan }^2}x}}dx} = x - \frac{K}{{\sqrt A }}{\tan ^{ - 1}}\left( {\frac{{K\tan x + 1}}{{\sqrt A }}} \right) + C,$ ($C$ એ સંકલનનો અચળાંક છે),તો ક્રમયુક્ત જોડ $(K, A)$ બરાબર છે:

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 $f(x)=$

$\int \frac{d x}{\left(2 a x+x^2\right)^{\frac{3}{2}}} = $

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