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  • Perplex
    IB Math AAHL
    /
    Complex Numbers
    /

    Problem Bank

    [Maximum mark: 9]

    An equilateral triangle ​ABC​ is drawn in the complex plane. Point ​A​ is represented by the complex number ​a=0, and point ​B​ by ​b=1+i.

    1. Find the sum of the two possible values for ​c.

      [3]

      To earn a crown, get your answer ready before you reveal the options!

    2. Find the difference of the two possible values for ​c, ​c1​−c2​, with ​Im(c1​−c2​)>0.

      [4]
    3. Hence, find the two possible values for ​c.

      [2]

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