Find the equation of locus of a point which is equidistant from the point A(−3,2) and B(0,4) ?
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Solution
Let the point be (h,k). Given: Distance of point from A=Distance of point from B ⟹√(h+3)2+(k−2)2=√h2+(k−4)2 ⟹(h+3)2+(k−2)2=h2+(k−4)2 ⟹h2+6h+9+k2−4k+4=h2+k2−8k+16 ⟹6h−4k+13=−8k+16 ⟹6h+4k=3 Replacing h with x and k with y: 6x+4y=3