hello :
hello :
1 ) if : xـــــــ> ± ∞
limf(x) = b ....(b∈R) so : y=b is the equation of
the line horizontal asymptote.
2) if : xـــــــ>
a ...(a∈R)
limf(x) = ± ∞
so : x=a is the equation of the
line vertical asymptote.
hint : in this exercice : a = 2 or a = 7 but : b=2
