Arithmetic Sequence Formula: Find first term (a₁), Common Difference (d) and Number of Terms (n),

How to find An, A1, n and d?
This lesson will guide you through the essential formulas used in solving problems involving arithmetic sequences. You will learn how to find the first term (a₁), the common difference (d), the number of terms (n), and the nth term (aₙ) of a sequence. With step-by-step examples and explanations, this topic builds a strong foundation for understanding patterns and solving real-world problems using arithmetic sequences.