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BITSAT 2005 Solved Question Paper

Section: Mathematics

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Question : 39

Total: 150

Let P(x1,y1) and Q(x2y2) are two points such that their abscissa x1 and x2 are the roots of the equation x2+2x−3=0 while the ordinate y1 and y2 are the roots of the equation y2+4y−12=0. The centre of the circle with PQ as diameter is :

(−1,−2)
(1,2)
(1,−2)
(−1,2)

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