/ 2 \ | x - 6*x | lim |--------------| x->7+| 2 | \21 + x - 10*x/
Limit((x^2 - 6*x)/(21 + x^2 - 10*x), x, 7)
False
= oo
/ 2 \ | x - 6*x | lim |--------------| x->7+| 2 | \21 + x - 10*x/
oo
= 265.811570247934
/ 2 \ | x - 6*x | lim |--------------| x->7-| 2 | \21 + x - 10*x/
-oo
= -262.686567164179
= -262.686567164179