how to find nature of roots
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real and rational.
Then, the nature of the roots α and β of equation ax + bx + c = 0 depends on the quantity or expression i.e., (b - 4ac) under the square root sign.
Thus the expression (b - 4ac) is called the discriminant of the quadratic equation ax + bx + c = 0.
Then, the nature of the roots α and β of equation ax + bx + c = 0 depends on the quantity or expression i.e., (b - 4ac) under the square root sign.
Thus the expression (b - 4ac) is called the discriminant of the quadratic equation ax + bx + c = 0.
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