જો $\int \frac{\cos 4x + 1}{\cot x - \tan x} dx = k \cos 4x + c$ હોય,તો $k$ ની કિંમત શોધો.

  • A
    $\frac{-1}{2}$
  • B
    $\frac{-1}{8}$
  • C
    $\frac{-1}{3}$
  • D
    $\frac{-1}{5}$

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Similar Questions

જો $\int \frac{\sqrt{1-x^4}}{x^7} d x=f(x)\left\{\sqrt{1-x^4}\right\}^n+C$ હોય,તો $(f(x))^n$ ની કિંમત શોધો.

જો $\int \frac{d \theta}{\cos ^2 \theta(\tan 2 \theta+\sec 2 \theta)}=\lambda \tan \theta+2 \log _{e}|f(\theta)|+c$ (જ્યાં $c$ એ સંકલનનો અચળાંક છે),તો ક્રમયુક્ત જોડ $(\lambda, |f(\theta)|)$ બરાબર શું થાય?

જો $\int \frac{7 x^8+8 x^7}{\left(1+x+x^8\right)^2} d x=f(x)+c$ હોય,તો $f(x)$ ની કિંમત શોધો.

જો $\int \frac{1}{(x-2)^5(x-1)^4} d x=\sum_{r=-4}^{-1} A_r\left(\frac{x-2}{x-1}\right)^r+\sum_{r=1}^3 A_r\left(\frac{x-2}{x-1}\right)^r+B f(x)$,તો $f(x)=$

$I = \int_{0}^{\frac{\pi}{4}} \tan^{n+1} x \, dx + \frac{1}{2} \int_{0}^{\frac{\pi}{2}} \tan^{n-1} \left( \frac{x}{2} \right) \, dx$ ની કિંમત શોધો.

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