1.

If the origin of a coordinate system is shifted to (-sqrt(2).sqrt(2)) and then the coordinate system is rotated anticlockwise through an angle 45^(@), the point P(1,-1) in the original system has new coordinates

Answer»

`(SQRT(2),-2sqrt(2))`
`(0,-2sqrt(2))`
`(0,-2-sqrt(2))`
`(0,-2+sqrt(2))`

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