a) f (x, y) = ln(2x) + 5y3 b)f(x, y) = (x + a)8  y1/2 c)f(x,y)=e7 y 2 +9

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Compute the the partial derivatives

(?∂f? /?∂f?)y
and for the following functions:

(∂x /∂y)x

 

 

a) f (x, y) = ln(2x) + 5y3

b)f(x, y) = (x + a) y1/2

c)f(x,y)=e7 y +9

 


d) f (x, y) = 13x + 6xy3

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