题目信息
If a sequence is defined by$$ an = (a_{n-1})^2 - 2(a_{n-2}) $$for $$n\ge1$$ ,
and if $$a_1 = 2 and a_2 = 3, what is the fifth term (a_5) $$of the sequence?
and if $$a_1 = 2 and a_2 = 3, what is the fifth term (a_5) $$of the sequence?
A:13
B:19
C:87
D:351
E:831
参考答案及共享解析

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已选答案:
正确答案:
D:351
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题目来源
Magoosh