Asked by help
write a rule for the sequence and list the next term
rule:_____
-6,-24,96,384,____
rule:_____
-6,-24,96,384,____
Answers
Answered by
oobleck
alternate signs as in -,-,+,+,-,-,+,+,...
and just keep multiplying by 4
a_n = (-1)^(1+[(n-1)/2] * 6 * 4^(n-1)
where [x] is the greatest integer (floor) function
and just keep multiplying by 4
a_n = (-1)^(1+[(n-1)/2] * 6 * 4^(n-1)
where [x] is the greatest integer (floor) function
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