In Exercises 13-22, find equations of the tangent plane and normal line to the graph of the given function at the point with specified values of x and y. -13. ƒ(x, y) = x² − y² at (−2, 1) x-y /1

In Exercises 13-22, find equations of the tangent plane and normal line to the graph of the given function at the point with specified values of x and y. -13. ƒ(x, y) = x² − y² at (−2, 1) x-y /1

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Question

By hand solution needed for Q13 and Q14 I will thumbs down if you don't write by hand

In Exercises 13-22, find equations of the tangent plane and normal
line to the graph of the given function at the point with specified
values of x and y.
-13. ƒ(x, y) = x² − y² at (−2, 1)
-
x-y
14. f(x, y) = at (1,1)
x + y
15. f(x, y) = cos(x/y) at (л, 4)
16 f(x, y) = exy at (2,0)
X
x² + y²
17. f(x, y) =
at (1,2)

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