Question

b) Compute the Jacobian matrices using the chain rule for z = u2 + v2 where (3)
u = 2x + 7, v = 3x + y + 7 .
c) If f (x, y) =
( )
 

 


= =
¹
+
0 , 0 ,
, , 0
2 2
4 2 2
x y
x y
x y
x y
(5)
then show that fxy (0,0) = f yx(0,0)