If f(x) = 2sinx - 3x4 + 8, then f ¢(x) is: - Vidyadip

MCQ

If f(x) = 2sinx - 3x⁴ + 8, then f ¢(x) is:

A
2sinx - 12x³
B
2cosx - 12x³
C
2cosx + 12x³
D
2sinx + 12x³

✓

Answer

2cosx - 12x³

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