Question

If quadratic equation has equal real roots then discriminant d =

Answer 1

SOLUTION

TO DETERMINE

If a quadratic equation has equal real roots then discriminant D =

EVALUATION

Let us consider the general quadratic equation

ax² + bx + c = 0

Then the Discriminant is denoted by D and defined as

D = b² - 4ac

If the quadratic equation has equal real roots

Then the Discriminant vanishes

That is D = 0

FINAL ANSWER

If a quadratic equation has equal real roots then discriminant D = 0

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