
Philip P. answered 06/14/17
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2 6 38 1446
- 6 = 22 + 2
- 38 = 62 + 2
- 1446 = 382 + 2
A recursive formula designates the starting term, a1, and the nth term of the sequence, an , as an expression containing the previous term (the term before it), an-1.
a1 = 2
an= (an-1)2 + 2 for n > 1