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25-06-2016
Mathematics

Answered

What is the 9th term of the geometric sequence with a1=4 and ratio (multiplier) = -2?

Verified Answer :

25-06-2016

\(a_{n}=a_{1}r^{n-1}\)
\(a_{9}=4\times(-2)^{9-1}\)
\(a_{9}=1024\)

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