/ / x \\ lim |-1 + 2*log|-----|| x->-1+\ \1 + x//
Limit(-1 + 2*log(x/(1 + x)), x, -1)
/ / x \\ lim |-1 + 2*log|-----|| x->-1+\ \1 + x//
oo
= (16.7233365847287 + 6.28318530717959j)
/ / x \\ lim |-1 + 2*log|-----|| x->-1-\ \1 + x//
oo
= 9.04776104169255
= 9.04776104169255
(16.7233365847287 + 6.28318530717959j)
(16.7233365847287 + 6.28318530717959j)