NCERT Exercise 7.1 Q13 - Binomial Theorem

Question: Prove that 9ⁿ⁺¹ − 8n − 9 is divisible by 64 for every positive integer n.

Answer: 9ⁿ⁺¹ − 8n − 9 is divisible by 64.

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

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