Let $x^2+y^2-2a (x+y)+a^2=0$ be an equation of a circle. Then

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Let $x^2+y^2-2a (x+y)+a^2=0$ be an equation of a circle. Then

AThe circle passes through the origin

BThe circle touches only x-axis

CThe circle touches only y-axis

DThe circle touches both the axis

Answer:

D. The circle touches both the axis

Read Explanation:

The circle touches both the axis

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can be written as: