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Mathematics
Alexzander Duffy
11 March, 02:11
Find roots of 4x^2-2x+9
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Mekhi Stout
11 March, 04:09
0
discriminant = b^2-4ac = (-2) ^2-4 (4) (9) = - 140<0
since discriminant <0, graph is always positive, x has no real roots
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