write down the next two terms of the squence.
11,13,15,17,__,__,.....
i.guess the value of the nth term of an of the sequence in terms of n.
ii.use the result of (i) to find the 12th term of the sequence.
math question
2011-12-18 2:18 am
回答 (2)
2011-12-18 2:21 am
✔ 最佳答案
11,13,15,17,19,21 (i) a(n) = 11 + 2(n - 1) = 9 + 2n
(ii) a(12) = 9 + 2 * 12 = 33
2011-12-18 3:01 am
11,13,15,17,19,21,.....
i n+2
ii 35
i n+2
ii 35
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