Question

Roots of quadratic equation are real and equal
a) D > 0
b) D < 0
c) D = 0
d) None of these
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Answer 1

Step-by-step explanation:

Discriminant. For an equation ax2+bx+c = 0, b2-4ac is called the discriminant and helps in determining the nature of the roots of a quadratic equation. If b2-4ac > 0, the roots are real and distinct. If b2-4ac = 0, the roots are real and equal

Answer 2

Answer:

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