Compute $$\sum_{n=1}^{\infty} \left( \frac{2n}{3^n} - \frac{1}{2^n} \right).$$
Question:
Compute $$\sum_{n=1}^{\infty} \left( \frac{2n}{3^n} - \frac{1}{2^n} \right).$$
Answer:
Let's think step by step.

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Compute $$\sum_{n=1}^{\infty} \left( \frac{2n}{3^n} - \frac{1}{2^n} \right).$$
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