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来源:焚题库 2023-12-04

单选题

已知复数z=a+bi,真中a,b∈R,且b≠0,则( )

  • A.<img alt="" src="http://timg.fentiku.com/img/2019-06-04/5cf624cc3ff2c.png" /><br />
  • B.<img alt="" src="http://timg.fentiku.com/img/2019-06-04/5cf624cb15fc9.png" /><br />
  • C.<img alt="" src="http://timg.fentiku.com/img/2019-06-04/5cf624cd97afb.png" /><br />
  • D.<img alt="" src="http://timg.fentiku.com/img/2019-06-04/5cf624cd4b647.png" /><br />

正确答案:D