Выполнить действия над комплексными числами (4+3i)(5-2i)

(4+3i)(5-2i)=20-8i+15i-6i²=20+7i+6=26+7i



(i²=-1)

(4+3i)+(5-2i)=(4+5)+(3i-2i)=9+i
(4+3i)-(5-2i)=(4-5)+(3i+2i)=-1+5i
(4+3i)/(5-2i)=(4+3i)(5+2i)/(5-2i)(5+2i)=(20+8i+15i-6)/(25+4)=(14+23i)/29=14/29+23i/29