equation of the tangent plane to a surface z = f(x, y) = ln ( /4x² + 9y² + 2x at the point P(-2,1).
equation of the tangent plane to a surface z = f(x, y) = ln ( /4x² + 9y² + 2x at the point P(-2,1).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:(a) equation of the tangent plane to a surface
2 = f(x, y) =
In (V4x2 + 9y² + 2x ) at the point P(-2,1).
Ti
(b) cosh ( 2+
3
Transcribed Image Text:3
323 + 4i
(а) lim
z→i z + 1
(b) Im(f) for f(2)=
|2 – 2+ i|
2
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