My Math Forum a problem with cubes

 New Users Post up here and introduce yourself!

 May 6th, 2017, 06:57 AM #1 Newbie   Joined: May 2017 From: Italy Posts: 1 Thanks: 0 a problem with cubes Hey all, will you reach 2 as sum of the length of sides if you put infinite cubes one on top of another (first one side is 1 and each cube is 1/10 of the previous one)? Last edited by skipjack; May 6th, 2017 at 04:20 PM.
 May 6th, 2017, 08:48 AM #2 Senior Member     Joined: Sep 2015 From: CA Posts: 1,207 Thanks: 615 $s_0=1$ $s_i = \dfrac{s_{i-1}}{10},~i,1,2,3, \dots$ $h=\displaystyle \sum_{i=0}^\infty~\left(\dfrac{1}{10}\right)^k$ $h=\dfrac{1}{1-\frac{1}{10}} = \dfrac{10}{9} < 2$ Thanks from eltes

 Tags cubes, problem

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post shunya Elementary Math 3 October 26th, 2015 07:28 AM caters Probability and Statistics 3 May 9th, 2014 10:43 PM ricardoainati Algebra 6 May 14th, 2010 06:01 AM Recipe Algebra 3 March 17th, 2010 06:10 PM ruit Algebra 4 September 1st, 2008 06:32 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top