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KatRina [158]
3 years ago
15

Find the 12th term of the geometric sequence 1, -4, 16,

Mathematics
1 answer:
Korvikt [17]3 years ago
8 0

Answer:

a₁₂ = - 4194304

Step-by-step explanation:

the nth term of a geometric sequence is

a_{n} = a₁ (r)^{n-1}

where a₁ is the first term and r the common ratio

here a₁ = 1 and r = \frac{-4}{1} = - 4 , then

a₁₂ = 1 × (-4)^{11} = - 4194304

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