NCERT Exercise 8.2 Q27 - Sequences and Series

Question: For what value of n is (aⁿ⁺¹ + bⁿ⁺¹)/(aⁿ + bⁿ) the geometric mean of a and b?

Answer: n = −1/2.

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