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Math Help - Algebra with TI-84 or T-89

  1. #1
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    Algebra with TI-84 or T-89

    Is there a way to solve the following on the TI-84 or TI-89

    2(2i/n)^2+1)

    so that the calculator will display

    (8i^2/n^2) (8i/n)
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  2. #2
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    I don't remember the exact syntax, but the TI-89 can definitely do this. I want to say there is an "expand" function.
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  3. #3
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    Quote Originally Posted by gammaman View Post
    Is there a way to solve the following on the TI-84 or TI-89

    2(2i/n)^2+1)

    so that the calculator will display

    (8i^2/n^2) (8i/n)
    Why should a calculator do that? (See attachment)
    Attached Thumbnails Attached Thumbnails Algebra with TI-84 or T-89-ti89_result.png  
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