/ /1 + x\\ lim |-2*x + log|-----|| x->0+\ \1 - x//
Limit(-2*x + log((1 + x)/(1 - x)), x, 0)
/ /1 + x\\ lim |-2*x + log|-----|| x->0+\ \1 - x//
0
= 9.52649907217751e-30
/ /1 + x\\ lim |-2*x + log|-----|| x->0-\ \1 - x//
0
= -9.52649907217751e-30
= -9.52649907217751e-30