જો $x \cdot \sin(\pi x) = \int_{0}^{x^2} f(t) \, dt$ હોય,જ્યાં $f$ એ સતત વિધેય છે,તો $f(4)$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{2}$
  • B
    $1$
  • C
    $\frac{1}{2}$
  • D
    નક્કી કરી શકાતું નથી

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ધારો કે કોઈ વિધેય $y=f(x)$ માટે,$\int_0^x t f(t) d t=x^2 f(x)$,$x > 0$ અને $f(2)=3$ છે. તો $f(6)$ ની કિંમત શોધો:

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