$\int_0^{\frac{\pi}{2}} \frac{300 \sin x+100 \cos x}{\sin x+\cos x} \,dx = \ldots$ ($\text{$\pi$ में}$)

  • A
    $100$
  • B
    $300$
  • C
    $200$
  • D
    $150$

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मान लीजिए कि $f: \mathbb{R} \rightarrow \mathbb{R}$ और $g: \mathbb{R} \rightarrow \mathbb{R}$ सतत फलन हैं। तो समाकलन $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} [f(x)+f(-x)][g(x)-g(-x)] \, dx$ का मान है

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