User:Kiran3000
§ maths question the sum of gm is 200. the first is 75 and ratio is 2/3. what is N
200= a (rn-1)/r-1
200 = 75 (.67n-1) / 0.67-1
200 * .33= 75 *~
-8/9 = 0.67n –1 1/9 = 0.67N
N = 6
This is an old revision of this page, as edited by Kiran3000 (talk | contribs) at 21:55, 14 July 2006. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
§ maths question the sum of gm is 200. the first is 75 and ratio is 2/3. what is N
200= a (rn-1)/r-1
200 = 75 (.67n-1) / 0.67-1
200 * .33= 75 *~
-8/9 = 0.67n –1 1/9 = 0.67N
N = 6