The expression `31^n+17^n` is divisible by for every odd positive integer n :

Options

A. 48
B. 14
C. 16
D. BOTH (A) AND (B)

Explanation

To solve the problem of determining what the expression \( 31^n + 17^n \) is divisible by for every odd positive integer \( n \), we can follow these steps:

### Step 1: Identify the expression
We start with the expression:
\[ 31^n + 17^n \]
where \( n \) is an odd positive integer.
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