Let PQ and MN be two straight lines touching the circle x2+y2−4x−6y−3=0 at the points A and B respectively. Let O be the centre of the circle and ∠AOB=π/3. Then the locus of the point of intersection of the lines PQ and MN is :
Held on 21 Jan 2026 · Verified 6 Jul 2026.
x2+y2−12x−18y−25=0
3(x2+y2)−18x−12y+25=0
3(x2+y2)−12x−18y−25=0
x2+y2−18x−12y−25=0
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