સંકલન $\int_{-\pi}^{\pi} \frac{\cos^2 x}{1+a^x} dx$ નું મૂલ્ય,જ્યાં $a > 0$,શું છે?

  • A
    $\pi$
  • B
    $a \pi$
  • C
    $\frac{\pi}{2}$
  • D
    $2 \pi$

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જો $f(x)$ એ $T$ આવર્તકાળ ધરાવતું સતત આવર્તી વિધેય હોય,તો સંકલન $I = \int_a^{a + T} {f(x)\,dx} $ એ

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