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Coordinate axes and coordinate planes in 3d space - class-XII

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The coordinate of any point, which lies in $xy$ plane , is

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A
$(x,x,0)$
💡 Explanation:

Given that the point lies in $xy$ plane

In $xy$ plane , the coordinate of $z$ will be zero
So $(x,x,0)$ represents a point which lies in $xy$ plane
Therefore option $B$ is correct

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