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$$a_{1}$$, $$a_{2}$$, $$a_{3}$$, ......, $$a_{n}$$......
In the sequence shown, $$a_{1}$$=6 and for each integer n greater than 1, $$a_{n}$$ is defined by
$$a_{n}$$=
2+$$a_{n-1}$$ if n is even
-8+$$a_{n-1}$$ if n is odd
In the sequence shown, $$a_{1}$$=6 and for each integer n greater than 1, $$a_{n}$$ is defined by
$$a_{n}$$=
2+$$a_{n-1}$$ if n is even
-8+$$a_{n-1}$$ if n is odd
Quantity A
$$a_{7}$$
Quantity B
-12
C显示答案
· 相关考点
6.2.3 其他数列
6.3.3 其他数列
以上解析由 考满分老师提供。
