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How many roots? (Posted on 2011-07-31) Difficulty: 3 of 5
Prove that the equation
x^4-4*x-1=0
has at most 2 real number solutions.

No Solution Yet Submitted by Ady TZIDON    
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reply this post | Comment 4 of 6 |
If you want to buy a car, you would have to get the credit loans. Moreover, my mother all the time takes a bank loan, which is the most useful.
  Posted by Deidre25Mayo on 2011-10-13 18:32:22
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