lim x menuju 9 akar x - 3 / x-9 tolong dong sama cara lemgkapnya

Kelas 11 Matematika
Bab Limit

lim (√x - 3) / (x - 9)
x→9

= lim (√x - 3) / ((√x + 3) . (√x - 3))
   x→9

= 1/(√9 + 3)
= 1/(3 + 3)
= 1/6