Question

sejam os números complexos Z=2-3i e W=5+2i determine

Z.W

Z÷W

Ajuda gente

Answer 1

(2-3i).(5+2i)=10+4i-15i-6i²=10-11i+6=16-11i

(2-3i).(5-2i)/(5+2i).(5-2i)=10-4i-15i+6i²/25-4i²=
10-19i-6/25+4= 4-19i/29