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posted by Rebekah Wednesday, October 2, 2013 at 11:10am.

Find the derivative... 1) f(u)= 1/ (2u^2-1)^2

d/du ( 1/(2u^2 - 1)^2 ) d/du ( (2u^2 - 1)^-2 ) = -2(4u)(2u^2 - 1)^-3 = -8u / (2u^2 - 1)^3 Hope this helps~ :3

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