Question

Dadas as matrizes :
o determinante da matriz x=A+B+C

Answer 1

Ola Carine

matriz X

X(1,1) = 1 - 2 - 1 = -2
X(1,2) = 3 + 1 + 0 = 4
X(2,1) = 2 + 0 - 3 = -1
X(2,2) = 4 - 3  + 1 = 2

det(X) = -2*2 - (-1)*4 = -4 + 4 = 0

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