/ /1 + x\\ lim |-log|-----|| x->1+\ \1 - x//
Limit(-log((1 + x)/(1 - x)), x, 1)
/ /1 + x\\ lim |-log|-----|| x->1+\ \1 - x//
-oo
= (-9.55227924884741 - 3.14159265358979j)
/ /1 + x\\ lim |-log|-----|| x->1-\ \1 - x//
-oo
= -9.56397815832648
= -9.56397815832648
(-9.55227924884741 - 3.14159265358979j)
(-9.55227924884741 - 3.14159265358979j)