Using the Chain Rule
Chapter , Problem 92PE(choose chapter or problem)
Using the Chain Rule If \(w=\ln \left(x^{2}+y^{2}+2 z\right), x=r+s, y=r-s\), and \(z = 2rs\), find \(w_{r}\) and \(w_{s}\) by the Chain Rule. Then check your answer another way.
Equation Transcription:
Text Transcription:
w = ln (x2 + y2 + 2z), x = r + s, y = r − s
z = 2rs
w_r
w_s
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