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ABCD is a square of side length 2 units...

ABCD is a square of side length 2 units. `C_(1)` is the circle touching all the sides of the square ABCD and `C_(2)` is the circumcircle of square ABCD. L is a fixed line in the same plane and R is fixed point. If a circle is such that it touches the line L and the circle `C_(1)` externally, such that both the circles are on the same side of the line, then the locus of centre of the circle is

A

(a)ellipse

B

(b)hyperbola

C

(c)parabola

D

(d)pair of straight line

Text Solution

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The correct Answer is:
B
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