Question

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​

Answer 1

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: b²-4ac is the discriminant of a Quadratic equation.

Step-by-step explanation:

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