If the quadratic equation formed by eliminating x from x ^2+\alphax +\beta = 0 and xy +l (x +y)+ m = 0 has same roots as to the given quadratic equation, then the set of values of β is

Correct Answer is : {m,αl−m}

AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

Section: Mathematics

Question : 11 of 160

Marks: +1, -0

If the quadratic equation formed by eliminating x from x2+αx+β=0 and xy+l(x+y)+m=0 has same roots as to the given quadratic equation, then the set of values of β is

{m,αl−m}
{m,l+m}
{m,αl+m}
{m,l−m}

Validate

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