Q74. Let the coefficients of the 2nd, 3rd, and 4th terms in the binomial expansion of (1 + x)n, where n is a positive integer, be in an arithmetic progression. What is the sum of the coefficients of the odd powers of x in this expansion?Mathematics — Mathematical Inductions and Binomial Theorem — Question 74 of 95A. 23B. 64C. 128D. 256Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →