Let the abscissae of the two points P and Q on a circle be the roots of x^ 2 - 4x - 6 = 0 and the ordinates...

Question

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

Accepted Answer

(1)

JEE Main 2022 Mathematics question

Solution

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