In this section we are going to see how to prove the expansion of a b 2 geometrically. A minus b whole square in terms of a plus b whole square formula. The square of sum of two terms identity.
Left ab right 2 ab ab a ab b ab a 2 ab ab b 2 a 2 2ab b 2.
Find out the value of 5 2 3 2. Triangle square pentagon etc is made up of edges glued together at vertices. Find out the value of 5 2 3 2. 16p 2 25q 2 40pq.