Practice problem
Find aaa if Du(3,1)=4D_u(3,1)=4Du(3,1)=4 for f(x,y)=axeyf(x,y)=axe^yf(x,y)=axey and v=<−2,2>\textbf{v}=<-2,2>v=<−2,2>.
12e2\frac{1}{2e\sqrt2}2e21
1e2\frac{1}{e\sqrt2}e21
2e\frac{\sqrt2}{e}e2
22e\frac{2\sqrt2}{e}e22
Type a concept, like “slope” or “photosynthesis”.
