1.

A stick of length I rests against the floor and a wall of a room. If the stick begins to slide on the floor, then the locus of its middle point is

Answer»

`3X^(2)+3y^(2)=1^(2)`
`4X^(2)+4y^(2)=1^(2)`
`2x^(2)+2y^(2)=1^(2)`
`X^(2)+y^(2)=1^(2)`

Answer :B


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