[latexpage] a) $\sum\limits_{r=2}^6 3^r= 3^2+3^3+3^3+3^5+3^6$ b) $(i)$ $S_{21}=18874359$ $(ii)$ Infinite Growth Pattern and $r\geq1$Detailed Answer/Video Explanations
[latexpage] a) $\sum\limits_{r=2}^6 3^r= 3^2+3^3+3^3+3^5+3^6$ b) $(i)$ $S_{21}=18874359$ $(ii)$ Infinite Growth Pattern and $r\geq1$Detailed Answer/Video Explanations