Asked by Kayelyn Rooney on Jul 09, 2024
Verified
Find the common ratio of the geometric sequence. 18π,1(8π) 2,1(8π) 3,1(8π) 4,....\frac{1}{8 \pi}, \frac{1}{(8 \pi) ^{2}}, \frac{1}{(8 \pi) ^{3}}, \frac{1}{(8 \pi) ^{4}},....8π1,(8π) 21,(8π) 31,(8π) 41,....
A) 1π2\frac{1}{\pi^{2}}π21
B) 1π\frac{1}{\pi}π1
C) 18π\frac{1}{8 \pi}8π1
D) 18\frac{1}{8}81
E) 1(8π) 2\frac { 1 } { ( 8 \pi ) ^ { 2 } }(8π) 21
Common Ratio
In a geometric sequence, the constant factor by which each term is multiplied to get the next term.
Geometric Sequence
A series of numbers in which each subsequent number is obtained by multiplying the preceding number by a constant, non-zero value known as the common ratio.
- Ascertain the standard ratio integral to geometric progressions.
Verified Answer
1(8π)218π=8π(8π)2=18π\frac{\frac{1}{(8\pi)^2}}{\frac{1}{8\pi}} = \frac{8\pi}{(8\pi)^2} = \frac{1}{8\pi}8π1(8π)21=(8π)28π=8π1
So the common ratio is $\frac{1}{8\pi}$, which is choice (C).
Learning Objectives
- Ascertain the standard ratio integral to geometric progressions.
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