Question

dada a matriz A=(2 3 5 7) determine (A + A-1)

Answer 1

vamos lá
A=(2,3,5,7) certo?....
Fórmula A+A-1

A[2,3,5,7]+A-1[1,2,4,6]

A+A-1=[(2+1),(3+2),(5+4),(7+6)]=[3,5,9,13]