nilai dari [tex] \lim_{x \to4} x^2 - 16 / x - 4 [/tex] = .........

[tex] \lim_{x \to \4} \frac{(x+4) (x-4)}{x-4} [/tex]

[tex] \lim_{x \to \4} \frac{(x+4)
= 4 + 4
= 8