3)A= | 2 1 | B= |-1 1|| -2 1 | | 1 2|a) A·Buse https://www.statology.org/matrix-multiplication-2x2-by-2x2/b) A+Bc) A-Bd)
Posted: Fri Jul 01, 2022 5:28 am
3)A= | 2 1 | B= |-1 1|| -2 1 | | 1 2|a) A·Buse https://www.statology.org/matrix-multip ... 2-by-2x2/b) A+Bc) A-Bd) Find inverse of Ause https://www.mathsisfun.com/algebra/matrix-inverse.htmle) Find determinant| 2 -1 2|| 1 2 1|| -1 1 1|use https://www.mathsisfun.com/algebra/matr ... inant.html