# college Algebra/Linear Algebra

posted by
**traxx**
.

Find a Basis for each of these substances of R^4

(a) All vectors whose components are equal

(b) All vectors whose component add to zero

(c) All vectors that are perpendicular to (1,1,0,0) and (1,0,11)

(d) The column space (In R^2) and nullspace(In R^5) of U=[1 0 1 0 1]

[0 1 0 1 0]