$\int \frac{x^3}{\sqrt{1+x^2}} dx$ ની કિંમત શોધો.

  • A
    $\sqrt{1+x^2}-\frac{x}{3}(1+x^2)^{3/2}+C$
  • B
    $x\sqrt{1+x^2}+\frac{2}{3}(1+x^2)^{3/2}+C$
  • C
    $x^2\sqrt{1+x^2}-\frac{2}{3}(1+x^2)^{3/2}+C$
  • D
    $x^2\sqrt{1+x^2}-\frac{1}{3}(1+x^2)^{1/2}+C$

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જો $I = \int e^x \sin 2x \, dx$ હોય,તો $K$ ની કઈ કિંમત માટે $KI = e^x(\sin 2x - 2\cos 2x) + C$ થાય?

$\int \frac{x + \sin x}{1 + \cos x} \, dx$ ની કિંમત શોધો.

Difficult
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જો $\int \frac{e^{\sqrt{x}}}{\sqrt{x}} (x + \sqrt{x}) dx = e^{\sqrt{x}} [Ax + B \sqrt{x} + C] + K$ હોય,તો $A + B + C = $

$\int x e^{x} d x$ શોધો.

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