题目内容
n∈N,i4n+i4n+1+i4n+2+i4n+3=_________.
设z1=a+bi,z2=c+di(a、b、c、d∈R),则z1·z2=____________,从上面可以看出,两个复数相乘,类似 .?
(1)对任何z1、z2、z3∈C,有:?
交换律:___________;结合律: ___________;乘法对加法的分配律: ___________.?
(2)对任何复数z=a+bi,都有=____________;z·=____________.?
(3)对任何z1、z2∈C, m、n∈N*,有z1m·z1n=_________,(z1m)n=_________,(z1·z2)m=________;对于n∈Z,都有i4n+1=__________,i4n+2=___________,i4n+3=___________,i4n=__________.?