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    drazgoosh's Avatar
    drazgoosh Posts: 2, Reputation: 1
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    #1

    Oct 26, 2010, 05:39 AM
    Make 'y' the subject: x^2 = (y - a) / (y - b)
    x^2 = (y - a) / (y - b)

    I tried to use this method but it didn't work:

    x^2 = (y - a)(y +b) / (y - b)(y +b)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Oct 26, 2010, 05:45 AM

    Multiply through by (y-b):



    gather like terms:

    drazgoosh's Avatar
    drazgoosh Posts: 2, Reputation: 1
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    #3

    Oct 26, 2010, 07:29 AM
    Comment on ebaines's post
    Thanks for your help and the fact that this question was answered quite quickly.

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