જો $f(x) = \int\limits_0^x {2(\cos^2 3t + 3\sin^2 3t)dt}$ હોય,તો $f(x + \pi)$ ની કિંમત શું થાય?

  • A
    $f(x) + f(\pi)$
  • B
    $f(x) + 2f\left(\frac{\pi}{2}\right)$
  • C
    $2f(x) + 3f\left(\frac{\pi}{3}\right)$
  • D
    $f(x) + 4f\left(\frac{\pi}{4}\right)$

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$\int_{-1}^{1} \log \left( \frac{1+x}{1-x} \right) \, dx = $

$\int_{-\pi / 2}^{\pi / 2} \sin |x| \, dx$ ની કિંમત શોધો.

જો $I_{n} = \int_{0}^{\frac{\pi}{4}} \tan^{n} x \, dx$,જ્યાં $n$ એ ધન પૂર્ણાંક છે,તો $I_{10} + I_{8}$ ની કિંમત શોધો.

જો $I_n = \int_{0}^{\pi} \frac{\sin(nx)}{\sin(x)} dx$ હોય,તો $\sum_{n=1}^{10} I_n$ ની કિંમત શોધો.

$\int_{-1}^{1} \sin^{11} x \, dx$ ની કિંમત શોધો.

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