यदि $f(x) = \int_{x^2}^{x^4} \sin \sqrt{t} \, dt$ है,तो $f'(x)$ का मान क्या होगा?

  • A
    $\sin(x^2) - \sin(x)$
  • B
    $4x^3 \sin(x^2) - 2x \sin(x)$
  • C
    $x^4 \sin(x^2) - x \sin(x)$
  • D
    इनमें से कोई नहीं

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यदि $\int_0^x {f(t)\,dt} = x + \int_x^1 {t\,f(t)\,dt,}$ है,तो $f(1)$ का मान ज्ञात कीजिए।

यदि $g(x) = \int_{\sin x}^{\sin(2x)} \sin^{-1}(t) \, dt$ है,तो

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