Answer :
use the formula (a - b)cube
27p3 - 1/216 - 3(9p2) (1/6) + 3(3p) (1/36)
= (3p - 1/6)cube
i hope u understand
27p3 - 1/216 - 3(9p2) (1/6) + 3(3p) (1/36)
= (3p - 1/6)cube
i hope u understand