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Math Help - Vector Proof

  1. #1
    Member GAdams's Avatar
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    Vector Proof

    Prove that a + (b +c) = (a + b) + c

    Had a go but not too sure, I proved it for a+b = b+a but this one has me confused.
    Thank you.
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  2. #2
    Junior Member
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    Just a quick question, is there a specific vector space that you have to prove this for? Otherwise, associativity is kind of an axiom...
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