ધારો કે $f(x)$ અને $g(x)$ એ બે વાર વિકલનીય વિધેયો છે જેથી $f(x) = x^2 + g'(1)x + g''(2)$ અને $g(x) = f(1)x^2 + xf'(x) + f''(x)$. તો $f(x) - g(x) =$

  • A
    $2x + 5$
  • B
    $3x^2 + 6x + 1$
  • C
    $x^2 - 6x + 2$
  • D
    $x^2 - 2$

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