Jawabanmu

2014-08-22T19:53:27+07:00
(3p+q)pangkat 4= 12pq
(3p+q) pangkat 4= 3p pangkat 4 + 12pq+ q pangkat 4
siip.,
ya
2014-08-22T19:57:39+07:00
(3p + q)⁴ =
= (3p + q) (3p + q) (3p + q) (3p + q)
= (9p² + 3pq + 3pq + q²) (9p² + 3pq + 3pq + q²)
= (9p² + 6pq + q²) (9p² + 6pq + q²)
= (81p⁴ + 54p³q + 9p²q² + 54p³q + 36p²q² + 6pq³ + 9p²q² + 6pq³ + q⁴)
= 81p⁴ + 108p³q + 54p²q² + 12pq³ + q⁴