Question

construir matriz a2x3, sendo aij = 2i - 3j

Answer 1

a₁ ₁ = 2.1 - 3.1 = 2 - 3 = -1
a₁ ₂ = 2.1 - 3.2 = 2 - 6 = -5
a₁ ₃ = 2.1 - 3.3 = 2 - 9 = -7
a₂ ₁ = 2.2 - 3.1 = 4 - 3 = 1
a₂ ₂ = 2.2 - 3.2 = 4 - 6 = -2
a₂ ₃ = 2.2 - 3.3 = 4 - 9 = -5

       | -5 -7 1 |
M = | 1 -2 -5 |