I think this goes here. I'm not sure where to start with this proof, rather i'm not sure where to start with this proof if I do not use the fact that I can square both sides. because I think:
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If then . Now , hence and you have it. (Note that in LaTeX, \in = and \epsilon = )
It took me a while to figure out the latex thing i've never used it before. Though I'm not sure I'm allowed this fact for |x|<1 I know I'm allowed to use: So I guess in essence I need to prove for
Last edited by seld; Sep 8th 2009 at 07:17 PM.
You have . Multiply by on both sides and you have . Take the square root on both sides and you have .
thank you for both help with this and the latex
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