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Find the number of ordered triples (p,q,r)
Darealzolt 2
N
by elizhang101412
Let 
be prime numbers such that
![\[
\frac{1}{pq}+\frac{1}{qr}+\frac{1}{pr}=\frac{1}{839}
\]](//latex.artofproblemsolving.com/b/6/f/b6f882f3c93b0877419db625c2a427fc9561605b.png)
Hence find the numbers of ordered triples 
be prime numbers such that![\[
\frac{1}{pq}+\frac{1}{qr}+\frac{1}{pr}=\frac{1}{839}
\]](http://latex.artofproblemsolving.com/b/6/f/b6f882f3c93b0877419db625c2a427fc9561605b.png)
Hence find the numbers of ordered triples 
2 replies
Find the sum of all the products a_i a_j
Darealzolt 1
N
by alexheinis
Among the 100 constants 
,there are 
equal to 
, and 
equal to 
. Find the sum of all the products 
, where 
.
,there are 
equal to 
, and 
equal to 
. Find the sum of all the products 
, where 
.
1 reply
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