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The nth tern, tn, of 2n + 4 is:
tn = 2n + 4
The first term is when n = 1:
t1 = 2 x 1 + 4 = 2 + 4 = 6
The second term is when n = 2:
t2 = 2 x 2 + 4 = 4 + 4 = 8
The third term is when n = 3:
t3 = 2 x 3 + 4 = 6 + 4 = 10
And so on. eg the thirty fourth term is when n = 34:
t34 = 2 x 34 = 4 = 68 + 4 = 72.
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