Recent content by fastidious1

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    Proving (a+b)^2=a^2+2ab+b^2 in Fields

    what is 2 ? 2=1+1 in any field the number 1 is exist and in any field addition is already defined so we have 1+1 we call it 2. we can also can to call to all the following numbers 3'4 it is doesn't mean that any field include all the natural number. it is possible that in some condition that...
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    Proving (a+b)^2=a^2+2ab+b^2 in Fields

    ok, and what about a*a=a^2 ? do I need to supply a proof for this product? and a*b+a*b=2ab can i say that it is axioms? tnx!
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    Proving (a+b)^2=a^2+2ab+b^2 in Fields

    Homework Statement I need to prove that in any field : (a+b)^2=a^2+2ab+b^2 Homework Equations The Attempt at a Solution i don't know how to start the proof ... I know all the attributes of fields but i got stuck
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