Question

Dada a matriz C = (Cij)3x3 tal que Cij = i² + 2j -5, calcule que C12 + C31.

Answer 1

C12=(1)2+2.2-5
C12=1+4-5
C12=0

C31=(3)2+2.1-5
C31=9+2-5
C31=6

C12+C31=6