2 years ago

Which two values of x are roots of the polynomial below? 5x2 - 5x+1

1 answer:

6 0

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$5 {x}^{2} - 5x + 1 = 0$

$(x - \frac{5 + \sqrt{5} }{10} )(x - \frac{5 - \sqrt{5} }{10} ) = 0 \\$

Thus :

$x = \frac{5 + \sqrt{5} }{10} \\$

$x = \frac{5 - \sqrt{5} }{10} \\$

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