## Search found 3 matches

Wed Oct 14, 2009 12:14 am
Forum: Matrix (Linear) Algebra
Topic: I really need help on this stuff
Replies: 1
Views: 4446

### I really need help on this stuff

We are doing vector spaces in my math class right now and I'm TOTALLY lost. Here are a few of the problems I don't get: Let u and v be (fixed) vectors in the vector space V . Show that the set W of all linear combinations a b + b v of u and v is a subspace of V . Prove: If the (finite) set S of vect...
Wed Oct 07, 2009 9:30 pm
Forum: Matrix (Linear) Algebra
Topic: A couple of questions...
Replies: 2
Views: 5487

### Re: A couple of questions...

omg that was so much easier than i was making it out to be. Thanks so much!!!!!
Wed Oct 07, 2009 2:41 am
Forum: Matrix (Linear) Algebra
Topic: A couple of questions...
Replies: 2
Views: 5487

### A couple of questions...

I am having some trouble with the following two questions. Any help would be greatly appreciated! The first question: a. Use matrix multiplication to show that if x 0 is a solution of the homogeneous system Ax = 0 and x 1 is a solution of the nonhomogeneous system Ax = b , then x 0 + x 1 is also a s...