જો $\int \frac{3 e^x-7 e^{-x}}{7 e^x+3 e^{-x}} d x=K x+L \log \left(e^{-2 x}+\frac{7}{3}\right)+C$ હોય,તો $K+L=$

  • A
    $\frac{-3}{38}$
  • B
    $\frac{21}{38}$
  • C
    $\frac{38}{21}$
  • D
    $\frac{-38}{3}$

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$\int \frac{dx}{\tan x + \cot x + \sec x + \csc x} =$

$\int e^{4 x^2+8 x-4}(x+1) \cos \left(3 x^2+6 x-4\right) d x=$

જો $\int \frac{5 \tan (x)}{\tan (x)-2} d x = x + a \log |\sin (x) - 2 \cos (x)| + k$ હોય,તો $a$ ની કિંમત શોધો.

જો $\int \frac{2 e^x+3 e^{-x}}{3 e^x+4 e^{-x}} d x=A x+B \log \left(3 e^{2 x}+4\right)+C$ હોય,તો $A$ અને $B$ ની કિંમતો અનુક્રમે શું થાય? (જ્યાં $C$ એ સંકલનનો અચળાંક છે.)

વિધેયનું સંકલન કરો: $\frac{1}{\sqrt{(x-1)(x-2)}}$

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