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The entries in a certain row of Pascal's triangle are
$1, n, \dots, n, 1.$
The average of the entries in this row is 2. Find $n$ .

nathanl6656 Sep 20, 2024

Bosco · Answer 1 · 2024-09-20T11:13:37

The entries in a certain row of Pascal's triangle ...

The average of the entries in this row is 2. Find n.

The fourth row will do it, 1 3 3 1. The average is 2. n = 3

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