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प्रश्न
Solve any two of the following.
Form a quadratic equation whose roots are 4 and -12.
उत्तर
`α=4 and β =-12`
∴ `α++β=4+(-12)=-8`
` αβ=4xx(-12)=-48`
`x^2-(α+β)x+αβ=0`
`x^2-(-8)x+(-48)=0`
`x^2+8x-48=0`
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