subspace 2: show pts in ax+by+cz=0 is subspace of R^3

[Apprentice123]

Show that the set of all points in the plan ax + by + cz = 0 is a subspace of R^3. Find vector v1 and v2 such that [v1, v2] is the plan 2x - 3y + 4z = 0

 

[tkhunny]

Re: subspace 2

Define subspace. Demonstrate away!