જો $\int \frac{2 \cos x+3 \sin x}{4 \cos x+5 \sin x} dx = \left(\frac{23}{41}\right) x + K \log |4 \cos x+5 \sin x| + c$ હોય,તો $K$ ની કિંમત શોધો.

  • A
    $\frac{2}{41}$
  • B
    $\frac{-2}{41}$
  • C
    $\frac{3}{41}$
  • D
    $\frac{-3}{41}$

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$\int \frac{x^{2}}{(x \sin x+\cos x)^{2}} d x$ ની કિંમત શોધો.

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.

$\int_{\frac{1}{3}}^1 (x - x^3)^{\frac{1}{3}} dx$ નું મૂલ્ય શું છે?

$\int \frac{dx}{x^2 \sqrt{4+x^2}}$ ની કિંમત શોધો.

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