lim x->3 x^3-27 / x^2-9 =

Mapel : Matematika
Kelas : XI SMA
Bab : Limit

Pembahasan :
Lim x » 3 (x^3 - 27)/(x² - 9)
Lim x » 3 [(x - 3)(x² + 3x + 9)]/[(x + 3)(x - 3)]
Lim x » 3 (x² + 3x + 9)/(x + 3)
= [3² + 3(3) + 9]/(3 + 3)
= (9 + 9 + 9)/6
= 27/6
= 9/2

Maaf ya klo krg jelass :v