Random Math Problem #01

• In an attempt to revive the offtopic forum, here's a math problem, post your answer (with explanation if you can) below:

  If f is a function satisfying f(-x)/x + f(1/x) = 2x for all nonzero real x, find f(2).

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  Posted 2009-10-03
  azala 8

  Major

  

• u just want us to do ur homework maybe?

  is it f(-x)/2 or f(-x/2)

  (._.)>)>)>)>)>~~

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  Posted 2009-10-10
  dokebi 11

  <erste = 1st >

  

• ill ask my math teacher

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  Posted 2009-11-05
  tuypo1 1

  Registered User

  

• Ez: f(2) = 4,5
  Moreover: f(x) = x^2 + 1/x

  "I bet at this stage we could code a better Starcraft engine from scratch ourselves. :P" - Tuxlar

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  Posted 2010-01-22
  wormer 8

  Major

  

• wormerEz: f(2) = 4,5
  Moreover: f(x) = x^2 + 1/x

  Both are correct.

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  Posted 2010-01-23
  azala 8

  Major

  

• My post appears to be spam? WTF

  f(-x)/x+f(1/x)=2x
  ax^2+bx+c
  ax-b+c/x+a/(x^2)+b/x+c
  -b+c/x+a/(x^2)+b/x+c=0
  Solve for abc

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  Posted 2010-03-01
  johndoe

  Anonymous
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  Posted 2016-12-23
  myy 3

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