Hi everyone, I was hoping someone could help me with something. Could someone explain to me exactly what this expression means:(adsbygoogle = window.adsbygoogle || []).push({});

H = {(a+b) + (a - 2b)t + bt^2 | a E R, b E R}

the purpose is to find the dimension of the given subspace, which I know how to do, I have just never seen this notation, so I'm not exactly sure what this expresssion is telling me about the subspace. since a and e are real numbers, does that mean t is not necessarily a real number? and is the first part of the expression a single vector? or is it some sort of conglomeration of multiple vectors? Thanks for your help

Davy

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# Dimension of a subspace

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