P0tential
P0tential
22-05-2018
Mathematics
contestada
What is recursive rule for the sequence?
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mkryukova19
mkryukova19
22-05-2018
[tex]a_{n}=9(-5)^{n-1} \\ \\ a_{1}=9*5^{1-1}=9 \\ \\ a_{1}=9 \\ \\r=-5 \\ a_{n}=-5a_{n-1} This is geometric sequence, correct answer is A. [/tex]
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dillon914466
dillon914466
22-05-2018
It should be the first one an = -5 (an -1), a1 =9
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