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irinina [24]
3 years ago
9

Determine if the sequence below is arithmetic or geometric and determine the

Mathematics
1 answer:
Brrunno [24]3 years ago
5 0
The sequence is arithmetic since the common difference that is equal
d=11-15=7-11=-4
a(n) = a1 +(n-1)d
a1=15
=
a(n) = 15+(n-1)-4
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