calculus
posted by Rebekah .
Find the derivative...
1) f(u)= 1/ (2u^21)^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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