perplexus.info :: Just Math : How many roots?

How many roots? (Posted on 2011-07-31)

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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| Comment 3 of 6 |

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Posted by LeonEdwina32 on 2011-10-13 08:44:49

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