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Standard X

Mathematics

Discriminant

Which of the ...

Question

Which of the following is correct, if the roots of quadratic equation are equal?

D > 0

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D < 0

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D = 0

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None

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Solution

The correct option is B $D = 0$
If both roots of a quadratic equation are equal and real, then
$D = 0$ , $\propto= β$

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Which of the following is correct, if the roots of quadratic equation are equal?

The correct option is B D=0If both roots of a quadratic equation are equal and real, thenD=0, ∝=β

The correct option is B $D = 0$
If both roots of a quadratic equation are equal and real, then
$D = 0$ , $\propto= β$