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Question

Given are the steps are construction of a pair of tangents to a circle of radius 4cm from a point on the concentric circle of radius 6cm. Find which of the following step is wrong?
(P) Take a point O on the plane paper and draw a circle of radius OA=4cm. Also, draw a concentric circle of radius OB=6cm.
(Q) Find the mid-point A of OB and draw a circle of radius BA=AO. Suppose this circle intersects the circle of radius 4cm at P and Q.
(R) Join BP and BQ to get the desired tangents from a point B on the circle of radius 6 cm.

A
Only (P)
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B
Only (Q)
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C
Both (P) & (Q)
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D
Both (Q) & (R)
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