In Exercises 6976, find all values of x and y such that f x (x, y) =
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In Exercises 69–76, find all values of x and y such that fx(x, y) = 0 and fy(x, y) = 0 simultaneously.
f(x, y) = ln(x2 + y2 + 1)
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Related Book For
Calculus Of A Single Variable
ISBN: 9781337275361
11th Edition
Authors: Ron Larson, Bruce H. Edwards
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