+0  
 
0
595
1
avatar
(p+q)^2 + (p-q)^2
 Jan 7, 2014
 #1
avatar+118654 
0
aussieson:

(p+q)^2 + (p-q)^2



Expand both these brackets seperately and then look at what you have
 Jan 7, 2014

5 Online Users

avatar
avatar
avatar