Question

for any value of discriminant real roots always exist?​

Answer 1

No, real root exits when

$D\geq 0$

Step-by-step explanation:

Quadratic equation :

$ax^2+bx+c$

Discriminant :$D=b^2-4ac$

We know that

When D>0

Then, the roots are real and different.

When D=0

Then, the roots are equal and real.

When D<0

Then, the real roots do not exist.

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