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Mathematics, 07.06.2021 15:10 coollid876

Find a formula for a geometric sequence that begins 7, 21, 63, .. O a) bn = (3)(3)"-1
Ob) b = 14n-7
c) b,= 7(3)"-1
d) b,= 7(3)"

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Find a formula for a geometric sequence that begins 7, 21, 63, .. O a) bn = (3)(3)"-1
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