AP EAPCET 07-Jul-2022 Shift 2 Paper

Suppose A (2,3) and B are the points of intersections of two circles. The points P lying on one circle and Q lying on the other circle are such that BP and BQ constitute the diameters of the circles. If the slopes of the radical axis and PQ are 3/4 and a/b respectively, then the value of 3a+4b is