Question

6th partial sum?

Answer 1

http://i.gyazo.com/3d2c7ac4865e847cb1f586e50660435e.png

I do not know how to enter these in mathway ;w;
@Vallarylynn16

Answer 2

\[\prod_{k=1}^{n}ar ^{k}=a \frac{ (1-r ^{n}) }{ (1-r) }\]
use this

Answer 3

I do not understand what you mean, sidsid

Answer 4

I'm not sure how to find partial sums /.\ I'm sorry

Answer 5

;3;

Answer 6

@sidsiddhartha could you please tell me the answer and how I would solve it instead?