Respuesta :
Answer:
Step-by-step explanation:
Since r=2 and |r|>1 the sum does not converge to any value. The sum does not exist for this infinite geometric series.
The sum to infinity of the sequence is -18
Sum to infinity of a geometric sequence
The formula for calculating the sum to infinity of a geometric sequence is expressed as:
Sinfty = a/1-r
where
a is the first term
r is the common ratio
From the nth term
a = 18
r = 2
Substitute
Sinfty = 18/1-2
Sinfty = -18
Hence the sum to infinity of the sequence is -18
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