$\int \frac{\cos 7x - \cos 8x}{1 + 2 \cos 5x} dx = $

  • A
    $\sin 2x - \frac{1}{3} \sin 3x + c$
  • B
    $\frac{1}{2} \sin 2x - \frac{1}{3} \sin 3x + c$
  • C
    $\frac{1}{2} \sin 2x - \sin 3x + c$
  • D
    $\frac{1}{3} \sin 2x - \frac{1}{2} \sin 3x + c$

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ધારો કે $I(x) = \int \frac{dx}{(x-11)^{\frac{11}{13}}(x+15)^{\frac{15}{13}}}$. જો $I(37) - I(24) = \frac{1}{4} \left( \frac{1}{b^{\frac{1}{13}}} - \frac{1}{c^{\frac{1}{13}}} \right)$,જ્યાં $b, c \in \mathbb{N}$,તો $3(b+c)$ ની કિંમત શોધો.

મૂલ્ય શોધો: $\int \frac{2 \cos x+1}{(2+\cos x)^2} d x - \frac{\sin x}{2+\cos x}$

જો $\int \left( \frac{1-5 \cos^{2}x}{\sin^{5}x \cos^{2}x} \right) dx = f(x) + C$ જ્યાં $C$ એ સંકલનનો અચળાંક છે, તો $f(\frac{\pi}{6}) - f(\frac{\pi}{4})$ ની કિંમત શોધો.

$\int {\frac{{{e^x} + 9\cos x - 2\sin x + 7}}{{{e^x} + 7\sin x + 11\cos x + 14}}\,dx} $ નું મૂલ્ય શું છે? (જ્યાં $C$ એ સંકલનનો અચળાંક છે.)

જો $f(x) = \int {\left( {\frac{{{x^2} + {{\sin }^2}x}}{{1 + {x^2}}}} \right)} {\sec ^2}x\,dx$ અને $f(0) = 0$ હોય,તો $f(1)$ ની કિંમત શોધો.

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