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
1) f(u)= 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