1. 1 1 1 n 2. Prove :- Vn z 1,nEZ n+1 +... 1•2 2•3 3•4 n(n+1)

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A: I have explained everything with in the solution .please go through that.

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A: ANSWER:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.