Question

If for a sequence, Sn = 2(3^n −1), then the third term is

a)18

B)14

c)36

d)48
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Answer 1

a is the anwser get well

Answer 2

If for a sequence, Sn = 2(3^n −1), then the third term is

a)18

B)14

c)36

d) 48

answer is d.