alexwing285 alexwing285 11-05-2017 Mathematics contestada Within the set of whole numbers, one set of numbers satisfies the recursive formula [tex]a_n=(a_n_-_1)^2-a_n_-_1[/tex] when [tex]a_4=870[/tex] A. 3, 6 B. 6, 30 C. 2, 6 D. 2, 3