ધારો કે $f(x)$ એ એક ધન વિધેય છે,$I_1 = \int_{-\frac{1}{2}}^1 2x f(2x(1-2x)) dx$,અને $I_2 = \int_{-1}^2 f(x(1-x)) dx$. તો $\frac{I_2}{I_1}$ ની કિંમત કેટલી થાય?

  • A
    $9$
  • B
    $6$
  • C
    $12$
  • D
    $4$

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$\int_0^{\frac{\pi}{2}} \frac{\sum_{n=0}^4 \left(\frac{n \pi}{4}+x\right)}{\cos x+\sin x} d x=$

$\int_0^{\pi /2} \frac{\sin x}{\sin x + \cos x} \, dx$ ની કિંમત શોધો.

$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} f(x) dx$ ની કિંમત શોધો,જ્યાં $f(x) = \sin |x| + \cos |x|$ અને $x \in [-\frac{\pi}{2}, \frac{\pi}{2}]$.

$\int\limits_0^{\pi / 2n} \frac{dx}{1 + \tan^n(nx)} = $

જો $f(x) = \begin{cases} e^{\cos x}\sin x, & |x| \le 2 \\ 2, & \text{અન્યથા} \end{cases}$ હોય,તો $\int_{-2}^{3} f(x) dx$ ની કિંમત શોધો.

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