Question

Dadas as matrizes A=[ 2 3 5 1 ] e B [ 3 1 2 1 ], determine: c) (A+B) (A – B)

Answer 1

A [ 2 3 5 1 ] + B [ 3 1 2 1 ] = A+B=[ 5 4 7 2 ]

A [ 2 3 5 1 ] - B [ 3 1 2 1 ] = A-B = [ -1 2 3 0 ]