current community

your communities

more stack exchange communities

company blog
Stack Exchange Inbox Reputation and Badges
tour help
MathOverflow is a question and answer site for professional mathematicians. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top
up vote 0 down vote favorite

for $ x<y<z,x∈z+,y,z∈R+ $

$ \frac{8}{x}-\frac{3}{y}+\frac{5}{z}=\frac{1}{4} $

Find max(x) .

share|cite|improve this question

put on hold as off-topic by GH from MO, Ben McKay, Chris Godsil, René, András Bátkai 33 mins ago

This question appears to be off-topic. The users who voted to close gave these specific reasons:

  • "This question does not appear to be about research level mathematics within the scope defined in the help center." – GH from MO, Chris Godsil, András Bátkai
  • "MathOverflow is for mathematicians to ask each other questions about their research. See Math.StackExchange to ask general questions in mathematics." – Ben McKay, René
If this question can be reworded to fit the rules in the help center, please edit the question.
    
This site is for research level questions. For general questions in mathematics see math.stackexchange.com – GH from MO 1 hour ago