X 3 125 x 2 25 July 8, 2019 16 32 64 128 Lim x → 5 x 3 125 x 2 25 Lim x 5 x3 125 x 2 25 Limx → 5 x 3 − 125 x 2 − 25 3 2 x 125 3 6 3 x 25 2 1 F x )= x 3 5x 2 25x 125 X 3 15x 2 75x 125 tại x 25