limit mendekati 4 ( x+2 ) tan ( x-4 ) / 2x kuadrat - 7x - 4 =

Lim ((x + 2) Tan (x - 4)) / (2x^2 - 7x - 4)
= Lim ((x + 2) Tan (x - 4)) / (2x + 1)(x - 4)
= Lim (x + 2)/(2x + 1) . (Tan (x - 4))/(x - 4)
= (4 + 2)/(2.4 + 1) . 1/1
= (6)/9 . 1
= 2/3