SOLUTION: Find the equation of the families of circles of radius 1 and centers on the line y=x

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Question 975688: Find the equation of the families of circles of radius 1 and centers on the line y=x
Answer by Alan3354(69443) About Me  (Show Source):
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Find the equation of the families of circles of radius 1 and centers on the line y=x
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%28x-h%29%5E2+%2B+%28y-h%29%5E2+=+1