Solved: Second Derivative Test Use the Second Derivative
Chapter 12, Problem 74(choose chapter or problem)
Second Derivative Test Use the Second Derivative Test to prove that if 1a, b2 is a critical point of f at which fx1a, b2 = fy1a, b2 = 0 and fxx1a, b2 6 0 6 fyy1a, b2 or fyy1a, b2 6 0 6 fxx1a, b2, then f has a saddle point at 1a, b2.
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