1.

Consider four circles (x+-1)^2+(y+-1)^2=1. Find the equation of larger circle touching these four circles.

Answer»

`x^2+y^2=(sqrt2+1)^2`
`x^2+y^2=(sqrt2-1)^2`
`x^2+y^2=(2-sqrt2)^2`
NONE of these

Answer :A


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