यदि $\int_0^k \frac{dx}{2 + 8x^2} = \frac{\pi}{16}$ है,तो $k = $

  • A
    $1$
  • B
    $\frac{1}{2}$
  • C
    $\frac{1}{4}$
  • D
    इनमें से कोई नहीं

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माना $\alpha \in (0,1)$ और $\beta = \log_{e}(1-\alpha)$ है। माना $P_n(x) = x + \frac{x^2}{2} + \frac{x^3}{3} + \dots + \frac{x^n}{n}$ जहाँ $x \in (0,1)$ है। तो समाकलन $\int_{0}^{\alpha} \frac{t^{50}}{1-t} dt$ का मान ज्ञात कीजिए।

$\int_0^{x} \frac{t^2}{\sqrt{a^2+t^2}} dt =$

यदि $f(x) = \begin{cases} 2x^2 + 1, & x \leq 1 \\ 4x^3 - 1, & x > 1 \end{cases}$ है, तो $\int_{0}^{2} f(x) dx$ का मान ज्ञात कीजिए।

$\int_2^3 \frac{x + 1}{x^2(x - 1)} dx$ का मान क्या है?

Difficult
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$\int_0^{\frac{\pi}{4}} \sec^4 x \, dx =$

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