nth term formula
What nth term formula means in Mathematics A-Level, as defined for Pearson Edexcel.
Definitions of nth term formula
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Reference: Pearson Edexcel
The nth term is uₙ = a + (n − 1)d, where a is the first term and d is the common difference.
The nth term is uₙ = ar^(n − 1), found by substituting the correct a, r and n.
Topics that use nth term formula
- Sequences and series (Pearson Edexcel A-Level)
Related terms
- Common difference and linear structure
- Finite versus infinite binomial series
- Forming and solving equations in n
- periodic sequence
- Series
- Validity condition
- Arithmetic
- Convergence and sum to infinity
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