જો $\int_{-\infty}^{\infty} f(x) dx = 1$ હોય,તો $\int_{-\infty}^{\infty} f\left(x - \frac{1}{x}\right) dx$ ની કિંમત કેટલી થાય?

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $2$

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ધારો કે $I(R) = \int_0^R e^{-R \sin x} dx$, જ્યાં $R > 0$. તો,

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ધારો કે $[\cdot]$ એ મહત્તમ પૂર્ણાંક વિધેય દર્શાવે છે. તો $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \left( \frac{12(3+[x])}{3+[\sin x]+[\cos x]} \right) dx$ ની કિંમત શોધો:

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