$\int_1^2 \frac{1}{x^2} e^{-\frac{1}{x}} \, dx = $

  • A
    $e^{1/2} + 1$
  • B
    $e^{1/2} - 1$
  • C
    $\frac{e^{1/2} + 1}{e}$
  • D
    $\frac{e^{1/2} - 1}{e}$

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$4$ समान अंतरालों के साथ ट्रेपेज़ॉइडल नियम का उपयोग करके $\int_2^{10} x^2 dx$ का अनुमानित मान क्या है?

$\int_0^{1/\sqrt{2}} \frac{\sin^{-1}x}{(1-x^2)^{3/2}} dx = $

यदि $f(x)$,$x$ में एक द्विघात बहुपद है,तो $\int_{0}^{1} f(x) dx$ है

मान लीजिए $f(x) = 2 + |x| - |x - 1| + |x + 1|$,$x \in R$. विचार करें:
$(S1): f^{\prime}\left(-\frac{3}{2}\right) + f^{\prime}\left(-\frac{1}{2}\right) + f^{\prime}\left(\frac{1}{2}\right) + f^{\prime}\left(\frac{3}{2}\right) = 4$
$(S2): \int_{-2}^{2} f(x) dx = 12$
तो,

$\int_0^{\pi /6} {(2 + 3{x^2})\cos 3x\,dx = } $

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