Find values of x and y such that both fx(x, y) = 0 and fy(x, y) = 0.f(x,y) = x3 - 4xy + 8y
A. x = 2, y = 2
B. x = 
, y = 2
C. x = 0, y = 0
D. x = 2, y = 3
Answer: D
Mathematics
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