1. lim (x² + 5 per x² + 1) X->3 2. Lim (x² - 9 per x + 3) X->-3

1. lim (x²+5/x²+1) = 14/10
x→ 3

2. lim(0/0)
x→-3 karena disubtitusikan 0/0 maka difaktorkan

lim [(x-3)(x+3)/(x+3)]
x→ -3

lim (x-3) = -3-3 = -6
x→ -3