and what I got was

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- July 28th 2009, 07:25 AM #1

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- July 28th 2009, 07:42 AM #2

- July 28th 2009, 07:51 AM #3

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- July 28th 2009, 07:55 AM #4

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In the future, when you ask for a check on what you did, it would be better to show how you got the result rather than just the result.

Rationalize the numerator by multiplying numerator and denominator by :

.

Now you can put x= 0 and get , what you have. But I would recommend that you write as or even .

Blast! DeMath got in ahead of me!

- July 28th 2009, 08:16 AM #5

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- July 28th 2009, 09:43 AM #6