NCERT Exercise 7.1 Q12 - Binomial Theorem

Question: Find (i) (x + 1)⁶ + (x − 1)⁶ and hence (ii) (√2 + 1)⁶ + (√2 − 1)⁶.

Answer: (i) 2x⁶ + 30x⁴ + 30x² + 2; (ii) 198.

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

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