If `(2n+1)P_(n-1):^(2n-1)P_(n)=3:5`,find n.

Explanation

To solve the problem, we need to find the value of \( n \) given the equation:

\[ \frac{(2n+1)P_{n-1}}{(2n-1)P_n} = \frac{3}{5} \]

### Step 1: Write the permutation formulas
Recall that the permutation formula is given by:
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