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2016-01-29T07:19:10+08:00

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If this is arithmetic sequence, n is the nth term (the order of number in a given sequence).

a _{n} = n + 4

If n = 1,
         a₁ = 1 + 4 
              = 5

If n = 2,
         a₂ = 2 + 4
              = 6

If n = 3,
         a₃ = 3 + 4
              = 7

If n = 4,
         a₄ = 4 + 4
              = 8

If n = 5,
         a₅ = 5 + 4
             = 9

Therefore the 5 terms in arithmetic sequence given by the rule a _{n} = n + 4 are:
    
     5, 6, 7, 8, 9

    
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