View Single Post
gabbagabbahey
#6
Mar15-09, 03:41 PM
HW Helper
gabbagabbahey's Avatar
P: 5,003
Quote Quote by Miriverite View Post
If a=-b adn b=-d, then my above function satisfies for all a - that's good enough, yes?
It does, but its not the most general solution...which is what you are looking for.

(3a+c) = -(3d+b) = 0 does not mean that a=-b and b=-d....the only requirement is that c=-3a and b=-3d.