જો $f(x) = 3x^3 + 2x^2 f'(1) + x f''(2) + f'''(3)$ હોય,તો $f(x) = $

  • A
    $\frac{1}{7}(3x^3 - 90x^2 + 72x + 18)$
  • B
    $\frac{1}{7}(21x^3 - 90x^2 + 72x + 126)$
  • C
    $3x^3 - 90x^2 + 72x + 18$
  • D
    $3x^3 - 45x^2 + 36x + 9$

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