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Question

Question: If a line segment AM = a moves in the plane XOY remaining parallel to OX so that the left end point ...

If a line segment AM = a moves in the plane XOY remaining parallel to OX so that the left end point A slides along the circle x2 + y2 = a2, the locus of M is

A

x2 + y2 = 4a2

B

x2 + y2 = 2ax

C

x2 + y2 = 2ay

D

x2+y2 –2ax–2ay = 0

Answer

x2 + y2 = 2ax

Explanation

Solution

‘A’ lies on circle

Ю (a – a)2 + b2 = a2