In Exercises 6164, determine whether the statement is true or false. If it is false, explain why
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In Exercises 61–64, determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false.
If f (x, y) = √1 - x2 - y2, then Du f (0, 0) = 0 for any unit vector u.
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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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