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10 questions from this quiz
The general term at position nnn
Terms that appear one after another
First differences are constant
d=Tn−Tn−1d = T_n - T_{n-1}d=Tn−Tn−1
Constant second differences
Tn=an2+bn+cT_n = an^2 + bn + cTn=an2+bn+c
2a2a2a
Quadratic
16
Calculate first differences
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