June 29th, 2009, 06:38 PM
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 | Flow Master | | Join Date: Dec 2007 Location: Zeitgeist
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Quote:
Originally Posted by s_ingram  Hi again guys,
Two posts from me. But they aren't too hard. For you at least!
Given that  use the calculus to determine an approximate value for ![\frac{1}{\sqrt [3]{0.9}}](http://www.mathhelpforum.com/math-help/latex2/img/bd26805d23ee841a0f5b8d2b79cba5b2-1.gif "\frac{1}{\sqrt [3]{0.9}}") Normally with these there is a descernable x and  but I can't see a way to giggle 0.9 into anything useful. Can you? | Use the linear approximation:  .
Take  ,  and  .
__________________ There are two things you should never try to prove: the impossible and the obvious. The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low and achieving our mark. (Michelangelo Buonarroti)
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