Question

A problem is attached from http://saab.org

Answer 1

f decreases steep in the opposite direction of gradiant :

gradiant = <y, x-2y, 2z>
-gradiant = <-y, 2y-x, -2z>

-gradiant at (-4,0,-3) = <0, 4, 6>

Answer 2

wow ! for the first time my solution is matching exactly wid yours xDD

Answer 3

@eliassaab cud u plz attach more of qs like this ?

Answer 4

Great

Answer 5

One is coming.