જો $\int \frac{dx}{2 \cos x + 3 \sin x + 4} = \frac{2}{\sqrt{3}} f(x) + c$ હોય,તો $f\left(\frac{2 \pi}{3}\right) =$

  • A
    $\frac{\pi}{12}$
  • B
    $\frac{\pi}{8}$
  • C
    $\frac{5 \pi}{12}$
  • D
    $\frac{5 \pi}{8}$

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જો $\int \frac{\sin ^8 x-\cos ^8 x}{1-2 \sin ^2 x \cos ^2 x} d x=A \sin 2 x+B$ હોય,તો $A$ ની કિંમત શોધો.

જો $\int \frac{dx}{(1+\sqrt{x}) \sqrt{x-x^2}} = \frac{A \sqrt{x}}{\sqrt{1-x}} + \frac{B}{\sqrt{1-x}} + C$, જ્યાં $C$ એ વાસ્તવિક અચળાંક છે, તો $A+B$ ની કિંમત શોધો.

સંકલન $16 \int \limits_1^2 \frac{d x}{x^3(x^2+2)^2}$ ની કિંમત શોધો.

$\int \sqrt{1+\sec x} \, dx$ નું મૂલ્ય શું છે?

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