第28项(-4)*(n-1)=(-4)*(28-1)=-108规律一定是(-4)*(n-1)?还有这题呢?第九题:17th term;a的右下角有个1不知怎么打a1=2.3;d=-2.317term 是负的。奇数项为正,偶数项为负,第17项为2.3 反馈 收藏
规律为：（-4）*（n-1）第28项为：（-4）*（28-1）＝-108
Write the first two terms of the sequence (i)tn=3n−6(ii)tn=1n2−1 View Solution Find the indicated terms of the sequence whosenthterms are : an=n(n−2)n+3;a20 View Solution Find the indicated term(s) in each of the followng A.P.'s ...
Find the indicated term of the arithmetic sequence : 1. a16 = 96 and a43 = 231, find a116. 2. a1 = 4 and a4 = 108, find a10. Find the 9th term of the sequence: 6, 6\sqrt{6}, 36, ... For each sequence, find a formula for the general term a(n) of ...
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Brooks is clear that this is an over-simplification, however, the general reasoning is that given the ramp-up time of new resources and the communication overheads, in the immediate short-term velocity decreases. Also, many tasks may not be divisible, i.e. easily distributed between more ...
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