1. The problem asks whether a certain equation or problem can be solved by using $n=1$. 2. To answer this, we need to understand the context or formula where $n$ is used. 3. Typically, $n$ represents an integer parameter such as a term number in sequences, an exponent, or a count. 4. If the problem involves a formula or condition that requires $n$ to be greater than 1, then $n=1$ might not be valid. 5. Without the exact equation or problem statement, we cannot definitively say if $n=1$ works. 6. Please provide the full problem or equation to determine if $n=1$ is a valid solution or not.