Question

MATRIZES: 23. Efetue: a) (5 7) (6 -2) + (9 4) (5 8) b) [0 -1] [11 17] [2 5] + [0 2] [4 1] [-3 4] c) (1 5 0 4) - ( 6 6 8 7) d) [ 1 1 1 ] [ 0 1 2 ] [ 4 -1 1 ] [ 2 3 4 ] - [ 1 1 3 ] + [ 0 3 -2 ] [ -1 -2 -5 ] [ -3 -2 -7 ] [ 2 1 3 ]

Answer 1

Resposta:

a) (5 7) (9 4)

(6 -2) + (5 8)

R=(14 11)

(11 6)

b) [0 -1] [0 2]

[11 17] [4 1]

[2 5] + [-3 4]

R=[0 1]

[15 18]

[-1 9]

c) (1 5 0 4) - ( 6 6 8 7)

R=(-5 1 -8 -4)

d) [ 1 1 1 ] [0 3 -2]

[ 0 1 2 ] - [-1 -2 -5]

[ 4 -1 1 ] [-3 -2 -7]

[ 2 3 4 ] [2 1 3]

[1 2 -3]

[-1 -3 -7]

[7 -3 -8]

[0 2 1]

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