The centre of a circle passing through (...

The centre of a circle passing through (0,0), (1,0) and touching the CircIe `x^2+y^2=9` is a. `(1/2,sqrt2)` b. `(1/2,3/sqrt2)` c. `(3/2,1/sqrt2)` d. `(1/2,-1/sqrt2)`.

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