Question: If z = 5 x 2 y 2 and ( x , y ) changes from ( 1 , 1 ) to ( 1 .

If z=5x2y2 and (x,y) changes from (1,1) to (1.05,1.1), compare the values of z and dzdz=
Az=
If z = 5 x 2 y 2 and ( x , y ) changes from ( 1 ,

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