Question

Determine the sum of a geometric series whose first term is 5, whose common ratio is 3/5 and whose number of terms is infinite.

Answer 1

12.5

Answer 2

that is what i got but did not think it was right because it was not a choice on my answers but o well it could be none of the above THANKS MATE!

Answer 3

= 5 / (1- 3/5)
= 5 / 2/5
= 5/1 * 5/2
= 25 / 2
= 12.5

Answer 4

what about this one could you help me on this type?

Answer 5

Determine the sum of a geometric series with 12 terms whose first term is 2 and whose second term is −4.

Answer 6

-2730

Answer 7

thanks can u help me on the other one i posted i need to check my anser this is not a multiple choice one