Question

calcule 3A + 2B - 4C​

Answer 1

Resposta:

[-3,7,-8,8]

Explicação passo-a-passo:

3×(1,3,2,0)= [3,9,6,0] + 2×(-1,3,1,-2)=[-2,6,2,-4]- 4×(1,2,4,3)=[4,8,16,12]

[3,9,6,0] + [-2,6,2,-4] - [4,8,16,12] = [-3,7,-8,8]

Answer 2

Resposta: |-3 7|

|-8 -16|

Explicação passo-a-passo: