0 votes 0 votes Find the sum to $n$ terms of the series $10+84+ 734 +\dots $ $\frac{9(9^n+1)}{10}+1$ $\frac{9(9^n-1)}{8}+1$ $\frac{9(9^n-1)}{8}+n$ $\frac{9(9^n-1)}{8}+n^2$ Quantitative Aptitude gate2013-ec numerical-ability arithmetic-series + – Milicevic3306 asked Mar 25, 2018 edited Feb 26, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 74 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.