The nullspace of a 3 by 4 matrix A is the line through (2,3,1,0)?
a. what is the rank of A and the complete solution to Ax=0?
b. what is the exact row-reduced echelon form R of A?
a. what is the rank of A and the complete solution to Ax=0?
b. what is the exact row-reduced echelon form R of A?