Q1. For any integer n ≥ 1, what is the sum of the geometric series 2 + 6 + 18 + ... + 2 × 3n-1?Mathematics — Mathematical Inductions and Binomial Theorem — Question 1 of 95A. 3n-1B. 3n + 1C. 3n - 1D. 3n+1Practice more Mathematics MCQs for entrance exam preparation on Examora.io. Next Question →