यदि $F(x) = \int_{x^2}^{x^3} \log t \, dt$ $(x > 0)$ है,तो $F'(x) = $

  • A
    $(9x^2 - 4x)\log x$
  • B
    $(4x - 9x^2)\log x$
  • C
    $(9x^2 + 4x)\log x$
  • D
    इनमें से कोई नहीं

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