- Wed Oct 14, 2009 12:14 am
- Forum: Matrix (Linear) Algebra
- Topic: I really need help on this stuff
- Replies:
**1** - Views:
**3972**

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:
**4930**

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:
**4930**

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...