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复数1+i^2+i^3+……+i^10等于多少?
人气:170 ℃ 时间:2020-05-26 15:29:42
解答
=1+(i^2)+(i^2)i+(i^2)(i^2)+(i^2)(i^2)i+(i^2)(i^2)(i^2)+(i^2)(i^2)(i^2)i+(i^2)(i^2)(i^2)(i^2)+(i^2)(i^2)(i^2)(i^2)i+(i^2)(i^2)(i^2)(i^2)(i^2) [因为(i^2)= -1, 所以] = 1 - 1 - i + 1 + i -1 - i + 1 + i -1...
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