$\int \frac{x+1}{x(1+x e^x)} d x$ ની કિંમત શોધો.

  • A
    $\log \left|\frac{1+x e^x}{x e^x}\right|+C$
  • B
    $\log \left|\frac{x e^x}{1+x e^x}\right|+C$
  • C
    $\log \left|x e^x(1+x e^x)\right|+C$
  • D
    $\log \left|1+x e^x\right|+C$

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જો $f(x) = \frac{1}{(\cos^2 x) \sqrt{1 + \tan x}}$ હોય,તો તેનું પ્રતિ-વિકલિત $F(x) = . . . . . . .$,જ્યાં $F(0) = 4$ આપેલ છે.

જો $\int \frac{1}{(1 + x)\sqrt{x}} \, dx = f(x) + A$ હોય,જ્યાં $A$ એ કોઈ સ્વૈચ્છિક અચળાંક છે,તો વિધેય $f(x)$ શું છે?

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

$\int \frac{\sin x}{\sin (x - \alpha )} dx = $

$\int \frac{x}{\sqrt{x+4}} \, dx = $ . . . . . . $+ C, x > -4$.

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