Question

When a quadratic equation has equal roots?

Answer 1

Answer:

A Quadratic equation has equal roots when the Discriminant is equal to zero(0).

The Formula for Discriminant is given below:-

$\sqrt{ {b}^{2} - 4ac}$

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Answer 2

Answer:

when the discriminant,D is equal to 0 tuen it's roots are equal,

D = b² - 4ac.

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