Question

is that set in the subspaces of R3
{x,y,z | x+y+z=-7

Answer 1

\[\vec u=x+y+z=-7\]\[\vec v= a+b+c=-7\]\[\vec u+\vec v=?\]

Answer 2

\[\vec u=x+y+z=-7\]\[c\vec u=cx+cy+cz=-c7;c\neq0,1\]

Answer 3

are either of these in the subspace?

Answer 4

no

Answer 5

then you have your answer :)
Welcome to Open Study!

Answer 6

i c, thanks alot