Question

设复数z₁=a+bi ,z₂=c+di(a、b、c、d∈R).?

(1)加法:z₁+z₂=(a+bi)+(c+di)=________;?

(2)减法:z₁-z₂=(a+bi)-(c+di)=________;?

(3)乘法:z₁z₂=(a+bi)(c+di)=_________;?

(4)除法:=_________.

Answer 1

(1)(a+c)+(b+d)i?

(2)(a-c)+(b-d)i?

(3)(ac-bd)+(bc+ad)i?

(4)