Linearly

Are the columns of an invertible matrix linearly independent
If A is invertible, then its columns are linearly independent. Are the rows of an invertible matrix linearly independent?Why are the columns of an nxn...
If the column of matrix a are linearly independent, then
If A's columns are linearly independent, then it is invertible. What does it mean if the columns of a matrix are linearly independent?What happens if ...