NCERT Miscellaneous Exercise Q1 - Binomial Theorem

Question: Prove that (a − b) is a factor of aⁿ − bⁿ.

Answer: aⁿ − bⁿ = (a − b)(aⁿ⁻¹ + aⁿ⁻²b + ··· + abⁿ⁻² + bⁿ⁻¹).

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

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