Multiple Choice
Find the critical points of f(x, y) = ln (x2 + y2 + 4x - 4y + 8) .
A) (-2, 2)
B) (2, -2)
C) (-2, 2) and (2, -2)
D) (-2, 2) , (2, -2) , and (0, 0)
E) There are no critical points.
Correct Answer:
Verified
Correct Answer:
Verified
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