MCQ
If $y = `(3x^2 - 4x + 7.5)^4$, "then" dy/dx` is ______
  • A
    $4(3x^2 - 4x + 7.5)(6x - 4x)$
  • B
    $4(3x^2 + 4x + 7.5)^3 (6x + 4x)$
  • C
    $4(3x^2 + 4x + 7.5) (6x + 4x)$
  • $4(3x^2 - 4x + 7.5)^3 (6x - 4)$

Answer

Correct option: D.
$4(3x^2 - 4x + 7.5)^3 (6x - 4)$
D

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