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Math Help - Formula confirm

  1. #1
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    Formula confirm

    Please tell me wether I am right or wrong
    a^3+b^3=(a+b)(a^2-ab+b^2)
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  2. #2
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    Quote Originally Posted by Peacewanters007 View Post
    Please tell me wether I am right or wrong
    a^3+b^3=(a+b)(a^2-ab+b^2)
    You're right. But why ask??

    1. Any factorisation can be checked by expanding ......

    2. The sum of two cubes formula is ..... everywhere!!
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