Question

Find the product [ −4 4 4 −7 1 3 5 − 3 − 1 ][ 1 − 1 1 1 − 2 − 2 2 1 3 ] and Use it to solve x − y + z = 4 , x − 2y − 2z = 9 and 2x + y + 3z = 1

Answer 1

Answer:

easy mulptiply all of them with x anf y