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1a³ +3a²b +3ab² +1b³
1(3p)³ +3(3p)²(2q) +3(3p)(2q)² +1(2q)³
27p³ +54p²q +36pq² +8q³ (d.)
Jadi, jawabannya adalah d.
(3p + 2q)³ = (3p)³ + 3(3p)²(2q) + 3(3p)(2q)² + (2q)³
= 27p³ + 54p²q + 36pq² + 8q³