જો $\int (\sin 2x - \cos 2x) \,dx = \frac{1}{\sqrt{2}} \sin(2x - a) + b$ હોય,તો

  • A
    $a = \frac{\pi}{4}, b = 0$
  • B
    $a = -\frac{\pi}{4}, b = 0$
  • C
    $a = \frac{5\pi}{4}, b = \text{કોઈપણ અચળાંક}$
  • D
    $a = -\frac{5\pi}{4}, b = \text{કોઈપણ અચળાંક}$

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$\int {{x^x}(1 + \ln x)dx} $ ની કિંમત શોધો :-

$\int \left( \frac{1}{x^2} + \frac{\sin^3 x + \cos^3 x}{\sin^2 x \cos^2 x} \right) dx =$

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

$\int \left(1 + \frac{x}{1!} + \frac{x^2}{2!} + \dots \infty \right) dx = $

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