29. Which of the following equations has no real roots?
O x2 - 4x +3720
O **2 + 4x +32
O **2 4-3 2-0
O 3x2+4x3x+4-0
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A quadratic equation, ax2 + bx + c = 0; a ≠ 0 will have two distinct real roots if its discriminant, D = b2 - 4ac > 0. Hence, the equation x2 –3x + 4 = 0 has no real roots.
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