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Find, Which of the Following Sequence from a G.P. : 1 8 , 1 24 , 1 72 , 1 216 , ................ - Mathematics

Sum

Find, which of the following sequence from a G.P. :
`1/8, 1/24, 1/72, 1/216,`................

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Solution

Given sequence: `1/8,1/24,1/72,1/216`..............
Now,

`(1/24)/(1/8)=1/3,(1/72)/(1/24)=1/3,(1/216)/(1/72)=1/3`

Since `(1/24)/(1/8)=(1/72)/(1/24)=(1/216)/(1/72)=..........=1/3,` the given sequence is a G.P. with common ratio `1/3`.

Concept: Simple Applications - Geometric Progression
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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 11 Geometric Progression
Exercise 11 (A) | Q 1.2 | Page 152
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