$\int_{\frac{\pi}{4}}^{\frac{\pi}{4}} \log_e(\sin x + \cos x) \, dx$ ની કિંમત શોધો.

  • A
    $-\frac{\pi}{4} \ln 2$
  • B
    $\frac{\pi}{4} \ln 2$
  • C
    $\frac{\pi}{8} \ln 2$
  • D
    $0$

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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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