[" 12All the points in the set "],[S={(a...

[" 12All the points in the set "],[S={(alpha+i)/(alpha-i):alpha in R}(i=sqrt(-1))" lie on a "],[" (a) circle whose radius is "sqrt(2)" ."],[" (b) straight line whose slope is "-1" ."],[" (c) circle whose radius is "1" ."],[" (d) straight line whose slope is "1" ."]

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[" 12All the points in the set "],[S={(alpha+i)/(alpha-i):alpha in R}(i=sqrt(-1))" lie on a "],[" (a) circle whose radius is "sqrt(2)" ."],[" (b) straight line whose slope is "-1" ."],[" (c) circle whose radius is "1" ."],[" (d) straight line whose slope is "1" ."]

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