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If α and β are the roots of the equation 2x(2x + 1) = 1, then β is equal to : (1) 2α^2  (2) 2α(α + 1)  (3) –2α(α + 1) 

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If α and β are the roots of the equation 2x(2x + 1) = 1, then β is equal to :

(1) 2α2 

(2) 2α(α + 1) 

(3) –2α(α + 1) 

(4) 2α(α – 1)

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1 Answer

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(3) –2α(α + 1) 

α and β are the roots of the equation 4x2 + 2x - 1= 0 

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