$\int \frac{\tan ^{-1} x}{x^3} d x=$

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

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સંકલન $\int x^3 \cos x \, dx$ નું મૂલ્ય છે:

જો $\int e^{x^2} \cdot x^3 \, dx = e^{x^2} f(x) + C$ (જ્યાં $C$ એ સંકલનનો અચળાંક છે) અને $f(1) = 0$ હોય,તો $f(2)$ ની કિંમત કેટલી થશે?

$\int e^{-2x} \sin 3x \, dx = $

સંકલન $\int {x\,{{\cos }^{ - 1}}\,\left( {\frac{{1 - {x^2}}}{{1 + {x^2}}}} \right)dx} \,\left( {x > 0} \right)$ ની કિંમત શોધો.

જો $\int \tan^{-1} x \, dx = Ax \tan^{-1} x + B \log(1 + x^2) + C$ હોય, તો $A + B = \_\_\_\_$

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