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P is a variable point on the line L = 0....

P is a variable point on the line L = 0. Tangents are drawn to the circle `x^2 + y^2 = 4` from P to touch it at Q and R
Answer the following question based on above passage :
If L = y = 4, then the locus of the circumcentre of `triangle PQR` is

A

y - 2 = 0

B

x - 2 = 0

C

y + 2 = 0

D

x + 2 = 0

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PATHFINDER-CIRCLE-QUESTION BANK
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