Question

2) Dadas as matrizes: A = [
−5 −7
3 1
] e B = [
3 5
−4 −7
] , determine:

a) A - B
T
b) A
T + 2.B

Answer 1

Explicação passo-a-passo:

A = (3 1) (4 -2)B = (x+y x-y) ( 1 -2)Bt = (x+y 1) (x-y -2)x + y = 3x - y = 4 2x = 7x = 7/27/2 + y = 6/2 y = -1/2.

146