if its -(1-t^2/1+t^2)^2-(2t/t^2+1)^2

Do i square the numbers in the brackets first and then times by -1 cause it has negative sign in front.

If so after timesing it by -1 would it become:

+answer + answer/

thanks..

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- March 4th 2010, 01:02 AM #1

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- March 4th 2010, 01:10 AM #2

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