$30
1. Let
Prove that R2 = span(u,v,w).
2. Prove that P4 = span(−x4,x3,−x2,x,−1).
3. Determine whether each of the following lists of vectors is linearly independent and provide justficiation.
(a)
(b)
1 2 1
1,1,0
2 3 1
(c)
−1 2 0 1
2 ,−3,4,−2
0 1 5 −1
4. Provide a basis for the vector space of C2×3 over C and show it is indeed a basis.
5. Is
a basis of C2? Justify your answer.