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October 31, 2014

October 31, 2014

Posted by **victor** on Tuesday, November 8, 2011 at 5:16pm.

- mercy land -
**Steve**, Wednesday, November 9, 2011 at 12:12amsince these are consecutive terms, their difference is the same, so

5-(x-2) = (x+2)-5

5-x+2 = x+2-5

7-x = x-3

2x = 10

x = 5

So, the three terms are 3,5,7

So, Tn = 1+2(n-1)

T20 = 1+2(19) = 39

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