Chapter 12: Q. 3 (page 989)
Sketch the level curves f(x, y) = c of the following functions for c = −3, −2, −1, 0, 1, 2, and 3:
Short Answer
Ans: The sketch is,

Chapter 12: Q. 3 (page 989)
Sketch the level curves f(x, y) = c of the following functions for c = −3, −2, −1, 0, 1, 2, and 3:
Ans: The sketch is,

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In Exercises 21–26, find the discriminant of the given function.
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Explain the steps you would take to find the extrema of a function of two variables, is a point in the rectangle defined by role="math" localid="1649881836115"
Use Theorem 12.32 to find the indicated derivatives in Exercises 21–26. Express your answers as functions of a single variable.
Find the gradient of the given function, and find the direction in which the function increases most rapidly at the specified point P.
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