Question
Determine whether the series is convergent or divergent. If it is convergent, find its sum.$$\sum_{n=1}^{\infty} \frac{1+3^{n}}{2^{n}}$$
Step 1
We can use the nth term test for divergence. This test states that if the limit of the nth term of a series as n approaches infinity is not zero, then the series diverges. Show more…
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