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1. **Common Difference (d)**: The difference between consecutive terms.
2. **First Term (a₁)**: The first term in the sequence.
3. **General Term (aₙ)**: The formula is ( aₙ = a₁ + (n - 1)d ).
Given the sequence: ( 3, 7, 11, 15, \ldots )
- First Term: 3
- Common Difference: 4
General term:
[ aₙ = 3 + (n - 1) \cdot 4 = 4n - 1 ]
- Common Difference: 4
- First Term: 3
- General Term: ( aₙ = 4n - 1 )