Question

how to do?
http://prntscr.com/ahxmjj

Answer 1

I missed class notes for vector spaces so I'm not sure how to do this lol

Answer 2

You remember the conditions for subspace?

Answer 3

Closure under addition, scalar multiplication, has the 0 vector

Answer 4

ohh, has the zero vector

Answer 5

that's important I assume

Answer 6

for E...

Answer 7

I'll do the first one for 2x2 lol because it's easy and should hold for 3x3 heh ok so