Mathematics for IGCSE & O level - Sequences (Section 1 - No. 27)
Which of the following describes the method to find the nth term of a quadratic sequence?
Calculate the first and second differences.
Use simultaneous equations with T1, T2, and T3 to find the values of a, b, and c.
Apply the formula an^2 + bn + c
Use trial and error to guess the formula.
Explanation
These are methods used to find the nth term.
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