Question: Use a graphing device as in Example 4 (or Newtons method or solve numerically using a calculator or computer) to find the critical points of

Use a graphing device as in Example 4 (or Newton’s method or solve numerically using a calculator or computer) to find the critical points of f correct to three decimal places. Then classify the critical points and find the highest or lowest points on the graph, if any.

f(x, y) = 20e^-x2-y2 sin 3x cos 3y, |x| < 1, | y | < 1

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fx y 20e sin 3x cos 3y fa x y 20 cos 3y eay 3 cos 3x sin 3xev 2x 20e cos 3y 3 cos 3x 2x sin 3x c e1 ... View full answer

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