જો $\int \frac{\sin x \cos x}{\sqrt{\cos^4 x - \sin^4 x}} dx = -\frac{f(x)}{2} + c$ હોય,તો $f(x)$ નો પ્રદેશ (domain) શું છે?

  • A
    $[2n\pi, (2n+1)\pi], n=0, 1, 2, \ldots$
  • B
    $[(4n-1)\frac{\pi}{2}, (4n+1)\frac{\pi}{2}], n=0, 1, 2, \ldots$
  • C
    $[(4n-1)\frac{\pi}{4}, (4n+1)\frac{\pi}{4}], n=0, 1, 2, \ldots$
  • D
    $[(2n\pi - \frac{\pi}{4}), (2n\pi + \frac{\pi}{4})], n=0, 1, 2, \ldots$

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$\int \frac{dx}{7+5 \cos x}$ ની કિંમત શોધો.

$\int [\sqrt{\cot x} + \sqrt{\tan x}] \, dx$ શોધો.

Difficult
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ધારો કે $I=\int \frac{e^x}{e^{4 x}+e^{2 x}+1} d x$ અને $J=\int \frac{e^{-x}}{e^{-4 x}+e^{-2 x}+1} d x$. તો,કોઈ સ્વૈચ્છિક અચળાંક $C$ માટે,$J-I$ નું મૂલ્ય શું થાય?

જો $\int \frac{dx}{\cos^3 x \sqrt{2 \sin 2x}} = (\tan x)^A + C(\tan x)^B + k$ જ્યાં $k$ એ સંકલનનો અચળાંક હોય,તો $A+B+C$ ની કિંમત શોધો.

જો $\int {\frac{{{x^4} + 1}}{{x{{\left( {{x^2} + 1} \right)}^2}}}} dx = A \ln |x| + \frac{B}{{1 + {x^2}}} + c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે,તો:

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