$\int_0^{\pi /4} {\frac{{\sin x + \cos x}}{{9 + 16\sin 2x}}\,dx = } $

  • A
    $\frac{1}{{20}}\log 3$
  • B
    $\log 3$
  • C
    $\frac{1}{{20}}\log 5$
  • D
    આમાંથી કોઈ નહીં

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$\int_{0}^{\frac{\pi}{2}} \sqrt{\cos \theta} \cdot \sin^{3} \theta d \theta = . . . . . .$

નિશ્ચિત સંકલન $\int_{0}^{\frac{\pi}{4}} \tan x \,dx$ ની કિંમત શોધો.

જો $\int_0^b \frac{dx}{1+x^2} = \int_b^{\infty} \frac{dx}{1+x^2}$ હોય,તો $b$ ની કિંમત શોધો.

ધારો કે $x \in R$ માટે,$S_0(x) = x$,$S_k(x) = C_k x + k \int_0^x S_{k-1}(t) dt$,જ્યાં $C_0 = 1$,$C_k = 1 - \int_0^1 S_{k-1}(x) dx$,$k = 1, 2, 3, \ldots$. તો $S_2(3) + 6C_3$ ની કિંમત $...........$ થાય.

જો $\int_{0}^{1}(5x^{2}-3x+k)dx=0$ હોય,તો $k=$

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