设复数z=2分之根号3+i.那么z分之1等于?
人气:321 ℃ 时间:2020-02-05 19:42:19
解答
z=(√3+i)/2
1/z=2/(√3+i)
=2(√3-i)/[(√3+i)(√3-i)]
=2(√3-i)/(3-i^2)
=2(√3-i)/4
=(√3-i)/2
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