Find the derivative.y = x3 cos 4x2
A. 8x4 sin (4x2) + 3x2 cos 4x2
B. -8x4 sin (4x2)
C. sin (4x2) + 3x2 cos 4x2
D. -8x4 sin (4x2) + 3x2 cos 4x2
Answer: D
Mathematics
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?
?
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