Find the derivative of the function.y = x5cos x - 8x sin x - 8 cos x
A. -x5 sin x + 5x4 cos x - 8x cos x - 16 sin x
B. -5x4 sin x - 8 cos x + 8 sin x
C. -x5 sin x + 5x4 cos x - 8x cos x
D. x5 sin x - 5x4 cos x + 8x cos x
Answer: C
Mathematics
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for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 0
D. 
= 
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A. 
rose with four petals
B. 
rose with four petals
C. 
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