5*(3+J4)=15+j20
复数乘法和实数乘法的运算法则是一样的,又如:
(1+j2)*(3+j4)=3+j4+j6+8j^2=3+j10-8=-5+j10 注:j^2=-1
5+(3+J4)=8+j4
30+{J100*(100-J100)/100}=30+j*(100-j100)=30+j100+100=130+j100
5*(3+J4)=15+j20
复数乘法和实数乘法的运算法则是一样的,又如:
(1+j2)*(3+j4)=3+j4+j6+8j^2=3+j10-8=-5+j10 注:j^2=-1
5+(3+J4)=8+j4
30+{J100*(100-J100)/100}=30+j*(100-j100)=30+j100+100=130+j100