+0  
 
0
676
1
avatar+72 

@CPhill help please I have tried so many things and have gotten nowhere

Find the minimum of x-y among all ordered pairs of real numbers (x, y), x and y between 0 and 1, where there exists a real number \(a \neq 1\) such that \(\log_{x}a + \log_{y}a = 4\log_{xy}a.\)

 Apr 2, 2018
edited by Guest  Apr 2, 2018
edited by amandapaolars  Apr 3, 2018
 #1
avatar
0

The minimum value of x - y is 3/2.

 Nov 11, 2019

1 Online Users

avatar