P satu pertiga kali p tiga perempat kali satu perenam

[tex]p \frac{1}{3} \times p \frac{3}{4} \times \frac{1}{6} [/tex]

= (3p + 1)/3 x (4p + 3)/12 x 1/6
= (12p² + 9p + 4p + 3)/36 x 1/6
= (12p² + 13p + 3)/216