Pascal rows and binomial coefficient structure
Consider \((a + b)^{3}\). The coefficient row is a Pascal row indexed by the power
Choose the matching row, then complete the interior entries in the table
| Position | Entry |
|---|---|
| \(0\) | \(1\) |
| \(1\) | \(3\) |
| \(2\) | \(\square\) |
| \(3\) | \(1\) |