If x_1,y_1 " are roots of" x^2+8x-20=0, x_1,y_1" are the roots of " 4x – InterviewSolution

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1.	If x_1,y_1 " are roots of" x^2+8x-20=0, x_1,y_1" are the roots of " 4x^2+32x-57=0 and x_3,y_3 " are the roots of "9x^2+72x-112=0,then the points (x_1,y_1 )(x_2,y_2) and (x_3,y_3) where x_1 lt y_1 for i=1,2,3
Answer» are COLLINEAR form an equitateral triangle form a RIGHT ANGLED isosceles triangle are concyclic Answer :A

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