Jawabanmu

2014-08-05T19:41:28+07:00
      1    
(p-q/p+q)³

(p+q)³
(p-q)²

p³+p²q+2p²q+2pq²+pq+q²
p³-p²q-2p²q+2pq²+pq-q²


1 3 1