The level curve of the surface f(x,y) = x² + y2 + 4x -10y + 28 corresponding to c is a circle of radius two units. Find c. Enter an integer or a fully reduced fraction such as -2 , 0, 15 , 3/4 , -7/9 , etc.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
The level curve of the surface f(x,y) = x2 + y2 + 4x -10y + 28 corresponding
to c is a circle of radius two units. Find c.
Enter an integer or a fully reduced fraction such as -2 , 0,15 , 3/4 , -7/9 , etc.
Transcribed Image Text:The level curve of the surface f(x,y) = x2 + y2 + 4x -10y + 28 corresponding to c is a circle of radius two units. Find c. Enter an integer or a fully reduced fraction such as -2 , 0,15 , 3/4 , -7/9 , etc.
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