NCERT Exercise 7.1 Q11 - Binomial Theorem

Question: Find (i) (a + b)⁴ − (a − b)⁴ and hence (ii) (√3 + √2)⁴ − (√3 − √2)⁴.

Answer: (i) 8ab(a² + b²); (ii) 40√6.

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

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