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If sum of an indinite G.P p,1,1//p,1//p^...

If sum of an indinite `G.P p,1,1//p,1//p^2`…=9/2.. Is then value of p is

A

2

B

`3//2`

C

3

D

`9//2`

Text Solution

Verified by Experts

The correct Answer is:
B, C
We have
`p/(1-1//p)=9/2`
or `2p^(2)-9p+9=0`
or p=3/2,3
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