જો $\int \frac{x^2(x \sec^2 x+\tan x)}{(x \tan x+1)^2} dx = A \log(|x \sin x+\cos x|) + B \frac{f(x)}{(x \tan x+1)} + C$ હોય, તો $f(A+B) =$

  • A
    $1$
  • B
    $0$
  • C
    $-1$
  • D
    $2$

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જો $u = \int e^{ax} \cos bx \, dx$ અને $v = \int e^{ax} \sin bx \, dx$ હોય,તો $(a^2 + b^2)(u^2 + v^2) = $

Difficult
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$\int x \cos x \, dx$ શોધો.

$\int \log x^2 \, dx =$ . . . . . . $+ C$.

જો $\int {x^5 e^{-x^2} dx} = g(x) e^{-x^2} + c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે,તો $g(-1)$ ની કિંમત શોધો.

સંકલન શોધો: $\int \frac{\sqrt{x^2+1}\left[\log \left(x^2+1\right)-2 \log x\right]}{x^4} d x$

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