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Find the fifth term of the geometric sequence in which a1=21 and r=2

Find the fifth term of the geometric sequence in which a1=21 and r=2
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Find the fifth term of the geometric sequence in which a1=21 and r=2

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User Danial Tz
by
7.8k points

1 Answer

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a = 21 \\ r = 2 \\ \\ a_(5) = a {r}^(4) = 21 * {2}^(4) \\ a_(5) = 21 * 16 = 336 \: \: \: \: Ans.
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User Heladio Amaya
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