$\int_0^{\pi / 4} \frac{x^2}{(x \sin x+\cos x)^2} d x=$

  • A
    $\frac{2-\pi}{2+\pi}$
  • B
    $\frac{4-\pi}{4+\pi}$
  • C
    $\frac{6-\pi}{6+\pi}$
  • D
    $\frac{8-\pi}{8+\pi}$

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$\int_{1}^{3} \left(\frac{x^{2}+1}{4x}\right)^{-1} dx = $ . . . . . . .

यदि $[x]$ उस महत्तम पूर्णांक को दर्शाता है जो $x$ से कम या उसके बराबर है,तो समाकल $\int_0^2 {{x^2}[x]\,dx} $ का मान क्या होगा ($/3$ में)?

Difficult
View Solution

$\int_1^4 \left(x + \sqrt{x} + \frac{1}{x}\right) dx - \int_1^{2 \log 2} dx = $

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

यदि $5 f(x)+3 f\left(\frac{1}{x}\right)=2-\frac{1}{x}, x \neq 0$ है,तो $\int_1^2 f\left(\frac{1}{x}\right) d x=$

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