If a tangent to the circle x2 + y2 = 1 intersects the coordinate axes at distinct points P and Q, then the locus of the mid-point of PQ is:

If a tangent to the circle x2 + y2 = 1 intersects the coordinate axes

1.	If a tangent to the circle x2 + y2 = 1 intersects the coordinate axes at distinct points P and Q, then the locus of the mid-point of PQ is:
A.	x2 + y2 – 4x2y2 = 0
B.	x2 + y2 – 2xy = 0
C.	x2 + y2 – 16x2y2 = 0
D.	x2 + y2 – 2x2y2 = 0
Answer» B. x2 + y2 – 2xy = 0

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If a tangent to the circle x2 + y2 = 1 intersects the coordinate axes at distinct points P and Q, then the locus of the mid-point of PQ is:

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