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 AMicesta1Just something I don't quite get..
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.. - March 4th 2010, 01:10 AMsa-ri-ga-ma