Make the below summation as simple as possible. There should be no summation notation. Please use the below formula. Please make sure to check the final asnwer with different number.

Notes: . You may assume that n is a power of 7. . To specify log, (n), use log(n, b) . You may find it helpful to remind yourself how to compute the sum of a geometric series, . You may find it helpful to know that _. ( kent = (" Da"-me"ta (a-1) -. (Of course, that equation may not be in the form you need, even if it is useful!)n - 2 Sony = 202 i * 2 2 = 1