（1＋√3i）³等于多少,

（1＋√3i）³等于多少,

=（1＋√3i）(1+√3i)²
=（1＋√3i）(-2+2√3i)
=-2（1＋√3i）(1-√3i)
=-2*4
=-8

（1＋√3i）³
=（1＋√3i）²（1＋√3i）
=2√3i（1+√3i）
=2√3i+6i²
=2√3i-6

=2³（1/2＋√3i/2）³
=8(e^(π/3))^3
=8e^π
=8*-1
=-8
原理e^a=cosa+ i sina