设复数z=1+bi且|z|=2,则复数z的共轭复数为 A 1+i B 1+2i C 1-√3i
设复数z=1+bi且|z|=2,则复数z的共轭复数为 A 1+i B 1+2i C 1-√3i D 1-i
人气:266 ℃ 时间:2020-04-18 08:55:51
解答
√(1+b^2)=2
1+b^2=4
b=±√3
选C
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