How do I find the sum of the series

$$\sum_{n=0}^{\infty} (4^{n}+8^{n})/16^{n+4}$$

I already determined it was convergent as this can be split up into two series one with r = 4/16 and another with r = 8/16, since 1-

Question

How do I find the sum of the series

$$\sum_{n=0}^{\infty} (4^{n}+8^{n})/16^{n+4}$$

I already determined it was convergent as this can be split up into two series one with r = 4/16 and another with r = 8/16, since 1- < r < 1 both series converge to 0

anonymous · Answer

hey, no offense but have you ever considered changing your pic? just for change?

anonymous · Answer

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