Question

Dadas as matrizes A =2 41 20 −1e B =1 0−3 12 −1, calcule A + B e A − B:

Answer 1

Resposta:

Explicação passo a passo:

A(2,41,20,-1)

B(10,-3,12,-1)

A+B=(2+10+41+(-3)+20+12+(-1)+(-1)

A+B=(12+38+32-1)

=81

A-B=(2-10-41-(-3)-20-12-(-1)-(-1)

A-B=(-8-38-32+2)

=-76