Question

find the zeroes of the polynomial
$2x ^{4} - 9x ^{3} + 5x ^{2} + 3x - 1$
if 2 of its zeroes are
$2 + \sqrt{3}$
and
$2 - \sqrt{3}$
​

Answer 1

hope this answer will help you.

Answer 2

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Hope it helps you