Respostas

2013-11-19T09:16:26-02:00
7i^5 + i^3 = 
7i^1 + (-i) = 
7i - i = 6i

i^8 = i^0 = 1
i^4 = i^0 = 1
i^8 + i^4 = 2

(7i^5 + i^3) + (i^8 + i^4) = 6i+2


1 5 1