Can you please verify if my answer is correct?
Since the problem asks two questions, and you have only one answer, it is obvious that your answer is NOT correct.
And, in case you think I am being picky, what you give not the correct answer to either question. Perhaps if you showed how you got that we could point out errors.
I just needed help with finding the solution for the first part. Which is find a(subscript)n.
Here's what I got so far... I realize I did the first part wrong, here's where i'm stuck tho:
(6-n/4^n) - (6-(n+1)/4^(n+1))
(6(4^n)-n/4^n) - (6(4^(n-1)) - n + 1)/4^(n-1)
Where do I go from here?