12-01-2017
Mathematics

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The first four terms

The first four terms class=

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12-01-2017

an1 = 3n^2 -7 = 3(1)^2 -7 = 3(1)-7 = -4

an2 = 3n^2 -7 = 3(2)^2 -7 = 3(4)-7 = 5

an3 = 3n^2 -7 = 3(3)^2 -7 = 3(9)-7 = 20

an4 = 3n^2 -7 = 3(4)^2 -7 = 3(16)-7 = 41

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