(-1/2+根号3i)^3+(1/2+根号3i)^5=
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(-1/2+根号3i)^3+(1/2+根号3i)^5=(-1/2+根号3i)^3+(1/2+根号3i)^5=(-1/2+根号3i)^3+(1/2+根号3i)^5=错了吧应该是原式=(cos2π/3+i
(-1/2+根号3i)^3+(1/2+根号3i)^5=
(-1/2+根号3i)^3+(1/2+根号3i)^5=
(-1/2+根号3i)^3+(1/2+根号3i)^5=
错了吧
应该是原式=(cos2π/3+isin2π/3)³+(cosπ/3+isinπ/3)^5
=cos2π+isin2π+cos5π/3+isin5π/3
=1+1/2-√3i/2
=3/2-√3i/2
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