જો $f(x)=\sin ^6 x+\cos ^6 x+2 \sin ^3 x \cos ^3 x$ હોય, તો $\int_0^{\pi / 4} \frac{\sin ^2 2 x}{f(x)} d x=$

  • A
    $2$
  • B
    $\frac{2}{3}$
  • C
    $\frac{-2}{3}$
  • D
    $\frac{1}{6}$

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$\int_{-1}^1 \frac{\cosh x}{1+e^{2 x}} d x$ ની કિંમત શોધો :

$\int_0^{\pi /2} e^x \sin x \, dx = $

$\mathop {\lim }\limits_{n \to \infty } \left[ {\frac{1}{{{n^2}}}{{\sec }^2}\frac{1}{{{n^2}}} + \frac{2}{{{n^2}}}{{\sec }^2}\frac{4}{{{n^2}}} + ..... + \frac{1}{n}{{\sec }^2}1} \right]$ ની કિંમત શોધો.

$x > 0$ પ્રદેશમાં $f(x) = \int_0^x \frac{\sin t}{t} dt$ ના અંતિમ બિંદુઓ (extrema) કયા છે?

ધારો કે $f(0)=1, f(0.5)=\frac{5}{4}, f(1)=2, f(1.5)=\frac{13}{4}$ અને $f(2)=5$ છે. સિમ્પસનના નિયમનો ઉપયોગ કરીને, $\int_0^2 f(x) dx$ ની કિંમત શોધો.

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