JEE Mains 26-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 13 of 90

Marks: +1, -0

Let the abscissae of the two points P and Q on a circle be the roots of x2−4x−6=0 and the ordinates of P and Q be the roots of y2+2y−7=0. If PQ is a diameter of the circle x2+y2+2ax+2by+c=0, then the value of (a+b−c) is __________.

[26-Jul-2022-Shift-2]

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