Q42. What is the sum of the binomial coefficients at odd positions (i.e., nC1 + nC3 + nC5 + ...) in the expansion of (a + b)n?Mathematics — NUST Mock By IBAGRADS 1 — Question 42 of 200A. 2nB. 2n-1C. 2n - 1D. 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →