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**bronxsystem****Member**- Registered: 2013-06-22
- Posts: 63

but not sure answer for

is answer is 1 right?

*Last edited by bronxsystem (2014-01-13 01:03:45)*

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,138

Hi;

I like 1 as the answer.

There is some argument when x is 0.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**bronxsystem****Member**- Registered: 2013-06-22
- Posts: 63

thank you all ^^

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