Suppose that A is a square matrix with two equal columns. IsA invertible? Justify your answer.

Notes--03/14/16 14 March, 2016 09:06 AM Multivariable Page 1 Multivariable Page 2 Multivariable Page 3 Multivariable Page 4 Notes--03/18/16 18 March, 2016 09:04 AM Multivariable Page 1 Multivariable Page 2 Multivariable Page 3 Multivariable Page 4