$\int_0^{\pi /2} \frac{d\theta}{1 + \tan \theta} = $

  • A
    $\pi$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{\pi}{3}$
  • D
    $\frac{\pi}{4}$

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Similar Questions

$\int_{-\pi}^{\pi} \frac{2 x}{1+\cos ^{2} x} d x=$

कथन $-1$: समाकलन $\int_{\frac{\pi}{6}}^{\frac{\pi}{3}} \frac{dx}{1 + \sqrt{\tan x}} = \frac{\pi}{6}$ का मान है।
कथन $-2$: $\int_{a}^{b} f(x) dx = \int_{a}^{b} f(a + b - x) dx$.

$\int_0^1 \frac{\log x}{\sqrt{1 - x^2}} \, dx = $

Difficult
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यदि $\int_{0}^{1} \tan ^{-1} x \, dx = p$ है,तो $\int_{0}^{1} \tan ^{-1}\left(\frac{1-x}{1+x}\right) \, dx$ का मान ज्ञात कीजिए।

यदि $f(x) = f(2 - x)$ है,तो $\int_{0.5}^{1.5} xf(x) dx$ का मान क्या होगा?

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