Q40. For what value of n is the expression (an + bn) / (an-1 + bn-1) equal to the Geometric Mean (G.M.) between a and b?Mathematics — Sequences and Series — Question 40 of 208A. n = -1B. n = 1C. n = 0D. n = ½Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →