Find the gradient ?f.f(x, y) = xy8 - x6
A. 8xy7i + (y8 - 6x5)j
B. (y8 - 6x5)i + 8y7j
C. (xy8 - 6x5)i + 8xy7j
D. (y8 - 6x5)i + 8xy7j
Answer: D
Mathematics
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A. Yes B. No
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