Re: arithmetic problem
- From: Virgil <ITSnetNOTcom#virgil@xxxxxxxxxxx>
- Date: Sun, 03 Apr 2005 12:30:34 -0700
In article <Pine.BSI.4.58.0504030547270.24670@xxxxxxxxxxxxxxxxx>,
William Elliot <marsh@xxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 2 Apr 2005, RichD wrote:
>
> > Evaluate the following expression, without using series approximations:
> >
> > (10 + 108^(1/2))^(1/3) - (-10 + 108^(1/2))^(1/3)
> >
> > Show your work.
Hint: Consider (a-b)*(a^2 + a*b + b^3) = a^3 - b^3
.
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