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प्रश्न
`4x^2+5x=0`
उत्तर
`4x^2+5x=0`
`⇒x(4x+5)=0`
`⇒x=0 or 4x+5=0`
`⇒x=0 or x=5-4`
Hence, the roots of the given equation are 0 and `-5/4`
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Relationship Between Discriminant and Nature of Roots
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