/ sin(7*x)\ lim |---------| x->oo| 2 | \x + pi*x/
Limit(sin(7*x)/(x^2 + pi*x), x, oo, dir='-')
/ sin(7*x)\ lim |---------| x->0+| 2 | \x + pi*x/
7 -- pi
= 2.22816920328653
/ sin(7*x)\ lim |---------| x->0-| 2 | \x + pi*x/
7 -- pi
= 2.22816920328653
= 2.22816920328653