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Math Help - Square matrices question.

  1. #1
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    Square matrices question.

    WAAAAY confused.

    True or false? for any square Matrice A and B, (A+B)(A-B)= AA-BB


    any ideas on this mind boggler?
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  2. #2
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    Krizalid's Avatar
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    true as long as A and B commute.
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  3. #3
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    Can you explain to me what that means please?
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  4. #4
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    Quote Originally Posted by Danktoker View Post
    Can you explain to me what that means please?
    It means if A\times B = B \times A
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  5. #5
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    :O


    oh i c...

    Thank you very much
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