Jawabanmu

2014-09-11T19:32:07+07:00
(A + B)³ = A³ + A²B + AB² + B³
(3p + 4y)³ = (3p)³ + (3p)²(4y) + (3p)(4y)² + (4y)³
               = 27p³ + 26p²y + 48py² + 64y³