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help me with sequences problem.So if the sequence is 2,5,10,17,26 +3 +5 +7 +9 1st difference +2 +2 +2 2nd difference then the nth term can be worked out by writing out : n 1 2 3 4 n squared 1 4 9 16 original sequence 2 5 10 17 nth … 
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Hi, I am working on some Nth problems  can anyone tell me if this is correct : Nth term sequence is n + 4 are the first three terms 5,6,7, A nth term is 85  5n are the first three terms of the sequence 17, 34, 51, A nth term is … 
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Mathematics......Under number patternsGeometric series If a question goes.determine the expression for the nth term of the following sequence if the a) 4th term is 24 and the 7th term is 192 in a geometric sequence.what formula do … 
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The fifth term of an arithmetic sequence is 23 and 12th term is 72. And they say 1. Determine the first three terms of the sequences and the nth term. 2. What is the value of the 10th term. 3. Which term has a value of 268. 
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if the sequence is 2,15,52,125,246.... find the nth term expression and sum of the nth terms 
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if the sequence is 2,15,52,125,246.... find the nth term expression and sum of the nth terms 
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The first 5 terms of an arithmetic sequence are: 7 13 19 25 31 Prove that the difference between the squares of any two terms of the sequence is always a multiple of 24 Nth term = ? 
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The fith term of an arithmetic sequence is 23 and the 21th term is 72 Determine the first three terms of the sequence and the nth term