જો $5 f(x)+3 f\left(\frac{1}{x}\right)=2-\frac{1}{x}, x \neq 0$ હોય,તો $\int_1^2 f\left(\frac{1}{x}\right) d x=$

  • A
    $\frac{6 \log 2-7}{32}$
  • B
    $\frac{6 \log 2-17}{32}$
  • C
    $\frac{6 \log 2-1}{32}$
  • D
    $\frac{6 \log 2-7}{16}$

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$\int_0^{\pi /2} {\sqrt {\cos \theta } {{\sin }^3}\theta } \,d\theta = $

$x \in [0, 1]$ માટે $\int_0^x \frac{t^2}{1+t^4} dt = 2x - 1$ હોય તેવી ભિન્ન $x$ ની કુલ સંખ્યા કેટલી છે?

ધારો કે $f(x) = 2 + |x| - |x - 1| + |x + 1|$,$x \in R$. ધ્યાનમાં લો:
$(S1): f^{\prime}\left(-\frac{3}{2}\right) + f^{\prime}\left(-\frac{1}{2}\right) + f^{\prime}\left(\frac{1}{2}\right) + f^{\prime}\left(\frac{3}{2}\right) = 4$
$(S2): \int_{-2}^{2} f(x) dx = 12$
તો,

જો $\int \limits_{-0.15}^{0.15} |100 x^2 - 1| dx = \frac{k}{3000}$ હોય,તો $k$ ની કિંમત $..........$ છે.

જો $u(n) = \int_0^{\frac{\pi}{2}} (1 + \sin t)^n \sin 2t \, dt$,જ્યાં $n \in N$,તો $u(4) = $

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