5) Find the four second partial derivatives. a) f(x, y)=x²-2xy+3y² b) f(x, y)=e* tan y 6) Show that f(x, y, z)=√x² +3 is

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5 Find The Four Second Partial Derivatives A F X Y X 2xy 3y B F X Y E Tan Y 6 Show That F X Y Z X 3 Is 1 (47.15 KiB) Viewed 14 times

5) Find the four second partial derivatives. a) f(x, y)=x²-2xy+3y² b) f(x, y)=e* tan y 6) Show that f(x, y, z)=√x² +3 is differentiable at (3, 2,6) and find its linear approximation at (3, 2,6). Use it to approximate f(3.02,1.97,5.99).