Consider z as function of the variables x and y, it is defined by :
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:Consider z as function of the variables x and y, it is defined by:
3-6
z = ln(x³y7) + and P(-1, 1) a point. Also Consider the vectors u=(a,b), w=(a,-b) such that
||u|| =
=√113.
If Duz (P) =
-99/113
113
and Dwz (P):
83√113
113
determine
The value for a and B.
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