Well whether the sequence −6,−2,−2/3,−2/9,−2/27 is geometric

grabrovi0u

grabrovi0u

Answered question

2022-10-14

Well whether the sequence - 6 , - 2 , - 2 3 , - 2 9 , - 2 27 is geometric

Answer & Explanation

Messiah Trevino

Messiah Trevino

Beginner2022-10-15Added 18 answers

the terms of a geometric sequence are
a , a r , a r 2 , a r 3 , ... . , a r n - 1
where r is the common ratio and
r = a 2 a 1 = a 3 a 2 = ... . = a n a n - 1
check r is common to the terms in this sequence
a 2 a 1 = - 2 - 6 = 1 3
a 3 a 2 = - 2 3 - 2 = 1 3
a 4 a 3 = - 2 9 - 2 3 = 1 3
sequence is geometric

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