Hello All,

I am just wondering if this following has a formula:

_{i = 0}∑^{k - 1 }X^{i}/Y^{i}= ?

For example, X = 3, and Y = 2, and k = 5

3^{0}/2^{0}+ 3^{1}/2^{1}+ 3^{2}/2^{2}+ 3^{3}/2^{3}+ 3^{4}/2^{4}= 1 + 1.5 + 2.25 + 3,375 + 5.0625 = 13.1875;

Any hints?

Thanks!