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## #1 2012-12-19 14:19:02

jacks
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### Geometric progression

If

are in Geometric Progression. Then prove that

## #2 2012-12-19 18:50:56

bob bundy
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### Re: Geometric progression

hi jacks

put b = ar and c = ar^2 and substitute in these expressions.

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

## #3 2012-12-20 04:22:46

jacks
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### Re: Geometric progression

Thanks bobbundy I will try it

## #4 2012-12-20 20:33:27

cool_jessica
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### Re: Geometric progression

put b= an, c= an^2

1/a^3+1/an+1/an^2... similarly...

Finally it would come as 1/a=3/4

## #5 2012-12-23 10:27:09

scientia
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### Re: Geometric progression

Something is wrong here. 1, 1, 1 are in geometric progression (r = 1) but

Last edited by scientia (2012-12-23 10:36:29)