/6689*x\ lim |------| x->6689+\-1 + x/
Limit((6689*x)/(-1 + x), x, 6689)
/6689*x\ lim |------| x->6689+\-1 + x/
44742721 -------- 6688
= 6690.00014952153
/6689*x\ lim |------| x->6689-\-1 + x/
44742721 -------- 6688
= 6690.00014952153
= 6690.00014952153