Difference between revisions of "1995 OIM Problems/Problem 2"

(Created page with "== Problem == Let <math>n</math> be an integer greater than 1. Determine the real numbers <cmath>X_1, X_2, \cdots ,X_n \ge 1,\;\text{and}\; X+{n+1} > 0</cmath> that verify t...")
 
Line 1: Line 1:
 
== Problem ==
 
== Problem ==
Let <math>n</math> be an integer greater than 1. Determine the real numbers
+
Let <math>n</math> be an integer greater than 1. Find the real numbers
  
 
<cmath>X_1, X_2, \cdots ,X_n \ge 1,\;\text{and}\; X+{n+1} > 0</cmath>
 
<cmath>X_1, X_2, \cdots ,X_n \ge 1,\;\text{and}\; X+{n+1} > 0</cmath>
Line 8: Line 8:
 
a. <math>X_1^{1/2} + X_2^{3/2} + \cdots + X_n^{n+1/2} = n.X_{n+1}^{1/2}</math>
 
a. <math>X_1^{1/2} + X_2^{3/2} + \cdots + X_n^{n+1/2} = n.X_{n+1}^{1/2}</math>
 
b. <math>(X_1 + X_2 + \cdots + X_n)/n = X_{n+1}</math>
 
b. <math>(X_1 + X_2 + \cdots + X_n)/n = X_{n+1}</math>
 
'''NOTE: This problem is incomplete in the source below.  The statements are there but what needs to be found is missing.  If you can find a complete source for this problem please add it.  As written, this problem is not even a problem.  Please help.'''
 
  
 
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com
 
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com

Revision as of 14:44, 13 December 2023

Problem

Let $n$ be an integer greater than 1. Find the real numbers

\[X_1, X_2, \cdots ,X_n \ge 1,\;\text{and}\; X+{n+1} > 0\]

that verify the following two conditions:

a. $X_1^{1/2} + X_2^{3/2} + \cdots + X_n^{n+1/2} = n.X_{n+1}^{1/2}$ b. $(X_1 + X_2 + \cdots + X_n)/n = X_{n+1}$

~translated into English by Tomas Diaz. ~orders@tomasdiaz.com

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See also

https://www.oma.org.ar/enunciados/ibe10.htm