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X^4-3X^2+1   solve ???

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mohamed90 | eNotes Newbie

Posted August 29, 2013 at 7:54 AM via web

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X^4-3X^2+1   solve ???

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llltkl | College Teacher | Valedictorian

Posted August 29, 2013 at 8:23 AM (Answer #1)

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`={(x-1/2-sqrt5/2)(x-1/2+sqrt5/2)}{(x+1/2-sqrt5/2) (x+1/2+sqrt5/2)}`


To solve the system, put each term equal to zero.

The solutions are:

`x=(1/2+-sqrt5/2), (sqrt5/2-1/2), -(sqrt5/2+1/2)`

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