Parviz F. answered • 03/19/14
Tutor
4.8
(4)
Mathematics professor at Community Colleges
2 [ ln X - ln ( X +1) - ln ( X -1) ] =
2 [ ln ( X / X+1) * 1 / (X -1) ] =
ln ( X^2/((X ^2 -1)^2 ) =
ln ( x ^2 )
(X^2 -1) ^2
