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Discriminant

The formula o...

Question

The formula of discriminant of quadratic equation $a x^{2} + b x + c = 0$ is $D =$ ______.

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Solution

The formula of the discriminant of the given quadratic equation is given by $D = b^{2} - 4 a c$ .

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Q. “ $b^{2} + 4 a c$ ” is called the discriminant of a quadratic equation $a x^{2} + b x + c$ .

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