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Circles are drawn touching the co-ordina...

Circles are drawn touching the co-ordinate axis and having radius 2, then

A

Centre of these circles lie on the pair of lines `y^(2) – x^(2) = 0`

B

centre of these circles lie only on the line y = x

C

Area of the quadrilateral whose vertices are centre of these circles is 16 sq. units.

D

Area of the circle touching these four circles internally is `4pi(3 + 2sqrt(2))`

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A, C, D
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