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Mathematics, 28.06.2020 02:01 johngayden46
2.In quadratic equation ax2 + bx + c = 0, if discriminant is D= b2 - 4ac, then roots of the quadratic equation are
(choose the correct alternative)
(1) Real and distinct, if D > 0
(2) Real and equal (i. e., repeated roots), if D = 0.
(3) Non-real (i. e. imaginary), if D< 0
(4) All of the above are correct
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2.In quadratic equation ax2 + bx + c = 0, if discriminant is D= b2 - 4ac, then roots of the quadrati...
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