જો $\int(1+x-x^{-1}) e^{x+x^{-1}} dx = f(x)+c$ હોય, તો $f(1)-f(-1)=$

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

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જો $\int \frac{d x}{3-2 \cos 2 x}=\frac{\tan ^{-1}(f(x))}{\sqrt{5}}+c$,(જ્યાં $c$ એ સંકલનનો અચળાંક છે),તો $f(\pi / 4)$ ની કિંમત શોધો:

$k \in N$ ની કઈ કિંમત માટે સંકલન $I_n = \int_0^1 (1 - x^k)^n dx, n \in N$,એ $147 I_{20} = 148 I_{21}$ નું સમાધાન કરે છે?

વિધેયનું સંકલન કરો: $\frac{x+2}{\sqrt{x^{2}-1}}$

$x \geq 0$ માટે, $\int \sqrt{x^2+2x} \, dx$ ની કિંમત શું થાય?

$\int_{\frac{1}{\sqrt[5]{31}}}^{\frac{1}{\sqrt[5]{242}}} \frac{1}{\sqrt[5]{x^{30}+x^{25}}} d x=$

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