/ 1 3 \ |- - + -----| | x 2 + x| lim |-----------| x->20+\ 2 + x /
Limit((-1/x + 3/(2 + x))/(2 + x), x, 20)
/ 1 3 \ |- - + -----| | x 2 + x| lim |-----------| x->20+\ 2 + x /
19 ---- 4840
= 0.00392561983471074
/ 1 3 \ |- - + -----| | x 2 + x| lim |-----------| x->20-\ 2 + x /
19 ---- 4840
= 0.00392561983471074
= 0.00392561983471074