ધારો કે $f$ અને $g$ એ $[0, a]$ પર સતત વિધેયો છે જેથી $f(x)=f(a-x)$ અને $g(x)+g(a-x)=4$ થાય,તો $\int_0^a f(x) g(x) d x$ ની કિંમત શું થાય?

  • A
    $4 \int_0^a f(x) d x$
  • B
    $\int_0^a f(x) d x$
  • C
    $2 \int_0^{a} f(x) d x$
  • D
    $-3 \int_0^a f(x) d x$

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$\int_{-1}^1 (a x^3 + b x) dx = 0$ માટે

$\int_{-1}^1 \frac{x^3+|x|+1}{x^2+2|x|+1} dx$ ની કિંમત શોધો.

$\int_0^{\frac{\pi}{4}} \log \left(\frac{\sin x+\cos x}{\cos x}\right) d x=$

$\int_{-8}^{8} \frac{x^{5}+x^{3}}{4-x^{2}} \, dx = $

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