/-17 + x\ lim log|-------| x->17+ \ 17 + x/
Limit(log((-17 + x)/(17 + x)), x, 17)
/-17 + x\ lim log|-------| x->17+ \ 17 + x/
-oo
= -12.3325924599206
/-17 + x\ lim log|-------| x->17- \ 17 + x/
-oo
= (-12.3318775973689 + 3.14159265358979j)
= (-12.3318775973689 + 3.14159265358979j)