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  1. TMC14
    1. Using focus and directrix

TMC14

Author:John Golden
Materials for, referenced in or created at Twitter Math Camp 2014. Cf. Audrey McLaren, http://www.geogebratube.org/user/profile/id/1012 John Golden, http://www.geogebratube.org/user/profile/id/553

  • Using focus and directrix

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Using focus and directrix

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