Question

Find all the zeros of the polynomial 2x4 - 9x3 + 5x2 + 3x -1, if two of its zeros are ( 2 +√ ) and (2 - √ ) .

Answer 1

Answer:

$x=-\frac{1}{2} , 1, (2+\sqrt{3} ), (2-\sqrt{3} )$

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