Write the polynomial whose zeroes are -5 and4
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x^2+5x+4...............
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α + β = (-5)+ 4 = -1
αβ = (-5) * (4) = -20
For required polynomial :
x² - (α + β)x + αβ
x² - (-1)x + (-20)
x²+ x - 20
Required polynomial is x² + x - 20
α + β = (-5)+ 4 = -1
αβ = (-5) * (4) = -20
For required polynomial :
x² - (α + β)x + αβ
x² - (-1)x + (-20)
x²+ x - 20
Required polynomial is x² + x - 20
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