यदि $f(x) = |x^2 - 3x + 2|$ है,तो $\frac{df}{dx} = $

  • A
    $2x - 3$,जब $1 < x < 2$
  • B
    $3 - 2x$,जब $x > 2$
  • C
    $2x - 3$,जब $x > 2$
  • D
    $3 + 2x$,जब $1 < x < 2$

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