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 Post subject: Re: if (x^3)ax=a' then a has a cube root.Posted: Tue, 31 Jan 2012 17:43:22 UTC
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Joined: Sat, 21 Jan 2012 03:59:22 UTC
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In x(a(x^2)ax)x(a(x^2)ax)=xexe , how do we know a(x^2)ax=e?

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 Post subject: Re: if (x^3)ax=a' then a has a cube root.Posted: Tue, 31 Jan 2012 19:32:10 UTC
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DgrayMan wrote:
In x(a(x^2)ax)x(a(x^2)ax)=xexe , how do we know a(x^2)ax=e?

Because , so multiply by a on the left on both sides.

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