NCERT Exercise 8.1 Q13 - Sequences and Series

Question: Given a₁ = a₂ = 2 and aₙ = aₙ₋₁ − 1 for n > 2, write five terms and the series.

Answer: 2, 2, 1, 0, −1; series: 2 + 2 + 1 + 0 − 1 + ···.

Full step-by-step NCERT solution with diagrams on Something by Zero.