If `""^n C_8=""^n C_2,` Solve `""^n C_2`

Explanation

To solve the problem where \( \binom{n}{8} = \binom{n}{2} \), we will follow these steps:

### Step 1: Write the formula for combinations
The formula for combinations is given by:
\[ \binom{n}{r} = \frac{n!}{r!(n-r)!} \]
Thus, we can write:
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