write the nature of roots of quadratic equation ax²+bx+c=0 if (I) b²-4ac>0 (II) b²-4ac=0 (III) b²-4ac<0​

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write the nature of roots of quadratic equation ax²+bx+c=0 if (I) b²-4ac>0 (II)
b²-4ac=0 (III) b²-4ac<0​

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Autumn 4 days 2021-10-09T23:39:42+00:00 1 Answer 0 views 0

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    2021-10-09T23:40:44+00:00

    Answer:

    i)When, b²-4ac > 0, the roots are real and are different.

    ii) When, b²-4ac=0, the roots are real and are equal.

    iii) When, b²-4ac < 0, the roots are imaginary.

    Note: b²4ac is the discriminant of a Quadratic equation.

    Step-by-step explanation:

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