Abhibarua
Dec 30, 2011, 10:12 PM
The nth term of an AP is a and the q term is b. Prove the sum of the first (p q) term is p q/2(a b a-b/p-q)
corrigan
Dec 31, 2011, 10:22 AM
Show me what you've tried and where you are stuck, and I'll be happy to help you. Also you need to rewrite your equation. Some of the signs didn't show, and I'd need to know exactly what it is you are trying to prove.