NCERT Example 14(ii) - Arithmetic Progressions
Question: Find the general formula for the sum of the first n positive integers.
Answer: S_n = n(n + 1) / 2
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Find the general formula for the sum of the first n positive integers.
Answer: S_n = n(n + 1) / 2
Full step-by-step NCERT solution with diagrams on Something by Zero.