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16-06-2022
Mathematics

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If the quadratic equation has two rational roots,then the discriminant is_____and a perfect square

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16-06-2022

Answer:

Real and unequal

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AliMay050 AliMay050

16-06-2022

Answer:

The quadratic has two equal roots like d if it is perfect square and we may write: (x − d) 2 = x 2 − 2 d x + d 2 Then: Δ = 4 d 2 − 4 d 2 = 0 That is the discriminant is zero when the quadratic is perfect square.

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