1) Dadas as matrizes A= [ 2 3], B= [ 0 4]
[ 0 1] [ 3 2]
C= [15 14]
[0 18]


Calcule:


a-) 3.(A – B) + 3.(B – C) + 3.(C – A)


b-) 2.(A - B) – 3.(B – C) – 3.C


c-) A matriz X, tal que