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Thread: Complex number question

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    Complex number question

    http://prntscr.com/ejajz8

    Q1 of Ekman's questions, is there both an algebraic and graphic way?
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    Re: Complex number question

    Quote Originally Posted by pikachu975 View Post
    http://prntscr.com/ejajz8

    Q1 of Ekman's questions, is there both an algebraic and graphic way?
    http://prntscr.com/ejaqub

    Also how do you do part iii?
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    Re: Complex number question

    Yes, there is an algebraic and graphic way.

    For part 3, Product of Roots.

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    Re: Complex number question

    Quote Originally Posted by si2136 View Post
    Yes, there is an algebraic and graphic way.

    For part 3, Product of Roots.
    What roots? Also what are the methods?
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    Re: Complex number question

    Yeah graphically works. draw a quadrilateral of Z,W and Z-W and Z+W. And you says its a rhombus cos its a parallrlogram with adjacent sides equal because mod Z=modW. Therefore the diagonals are prependicular

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