Question

A quadratic equation ax + bx + c = 0 has no real root if –
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Answer 1

Answer:

If b²-4ac<0 or D<0

(D=b²-4ac)

Answer 2

Answer:

if the discriminant of this quadratic equation is less than 0

that is,

Step-by-step explanation:

b²- 4ac < 0

where, a = coefficient of x²

b = coefficient of x

c = constant

I hope it helps you....