Question

Find the value of r for which..

Answer 1

for which what?

Answer 2

I'm not sure how to approach the problem.

Answer 3

Cant even read that.

Answer 4

huh?

Answer 5

r in a geometric sequence means the ratio of two consecutive terms...

Answer 6

The problem here is that you seem to have a k in the exponent, but you are summing up with respect to n, which is not given in the expression.

Answer 7

yes, sorry. i corrected it here http://openstudy.com/study#/updates/525b0eb6e4b002bdb08feea7

Answer 8

I used the equation format too.

Answer 9

I will pass on this question, as I cannot understand what you are writing.

Answer 10

What do you not understand?

Answer 11

like i said, i corrected it using the proper format here. http://openstudy.com/study#/updates/525b0eb6e4b002bdb08feea7