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数学
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复数{1/2+(根号3/2)i}^3的值为多少
人气:187 ℃ 时间:2020-06-21 07:36:53
解答
原式=(cosπ/3+isinπ/3)^3
根据棣美弗公式,
=cos3π/3+isin3π/3
=cosπ+isinπ
=-1,
模=1.
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