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in Mathematics Form 2 by

p2 – 2pq + q2 
____________
 2p2 -3pq + q2

1 Answer

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by

P2-pq-pq+q2
p (p-q)-q(p-q)
(P-q)2
 

2p2-3pq+q2=
2p2-2pq-pq-q2=
2p(p-q)-q(p-q)=
(2p-q) (p-q)
(p-q) (p-q)  =  p-q  
(2p-q)(P-q)     2p-q
p-q/2p-q

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