Math Is Fun Forum / Geometric progression

jacks · 2012-12-19 14:19:02

If

are in Geometric Progression. Then prove that

bob bundy · 2012-12-19 18:50:56

hi jacks

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

Bob

jacks · 2012-12-20 04:22:46

Thanks bobbundy I will try it

cool_jessica · 2012-12-20 20:33:27

put b= an, c= an^2

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

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

scientia · 2012-12-23 10:27:09

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

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

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