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Please help guys, i’m so lost aaahhhh Consider a geometric sequence with a first term of 4 and a fourth term of -2,916. a. find the common ratio of this sequence. b. find the sum to infinity of this sequence
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Please help guys, i’m so lost aaahhhh

Consider a geometric sequence with a first term of 4 and a fourth term of -2,916.

a. find the common ratio of this sequence.

b. find the sum to infinity of this sequence

User Seize
by
7.6k points

1 Answer

4 votes

Answer:

Explanation:

4r³=-2916

r³=-729

r=-9

b)s=
(4)/(1+9)

=
(4)/(10)

=
(2)/(5)

User Kasmetski
by
7.6k points
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