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数学
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复数z=[(4-3i)^2]*[(-1+根号3*i)^10]/[(1-i)^12],求z的模
人气:311 ℃ 时间:2020-05-22 22:33:40
解答
乘积的模等于模的乘积
z的模=〔模(4-3i)〕^2*〔模(-1+根号3*i)〕^10/〔模(1-i)〕^12
= 5^2 * 4^5/2^6
=25*16=400
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