In: Advanced Math
True or False and support your decision
1.) if Ax=0 has only one trivial solution, then Ax=0 has a unique
solution.
2.)The linear system given by Ax=0 consisting of 3 equations and 4 unknowns has infinitely many solutions
3.) If the vector set {v,u,w} is linearly independent, then w is a linear combination of u and v
4.) If A is a 3by5 matrix with 3 pivots,then the columns of A span R5