જો $\int_{0}^{1} 4 \cot^{-1}(1-x+x^{2}) dx = a \tan^{-1}(2) - b \log_{e}(5)$, જ્યાં $a, b \in N$, તો $(2a+b)$ ની કિંમત શોધો:

  • A
    $7$
  • B
    $8$
  • C
    $9$
  • D
    $10$

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Similar Questions

$\int_0^{\pi / 2} \frac{\cos x}{3 \cos x+\sin x} d x=$

$\int_{-1}^1 \frac{\log 2 - \log(1+x)}{\sqrt{1-x^2}} dx =$

જો $(a, b)$ એ $(1, 2), (2, 3)$ અને $(3, 1)$ શિરોબિંદુઓ ધરાવતા ત્રિકોણનું લંબકેન્દ્ર હોય,અને $I_1 = \int_{a}^{b} x \sin(4x - x^2) dx$,$I_2 = \int_{a}^{b} \sin(4x - x^2) dx$ હોય,તો $36 \frac{I_1}{I_2}$ ની કિંમત શોધો:

જો $I_{n}=\int_0^{\frac{\pi}{4}} \tan ^n x \, dx$ હોય,તો $I_{13}+I_{11}=$

$\int_0^a f(x) \, dx = $

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