1.

Reflecting the point (2, –1) about y -axis,coordinate axes are rotated at 45^@angle in negative direction without shifting the origin. The new coordinates of the points are -

Answer»

`( - (1)/(SQRT2) , - (3)/(sqrt2) )`
`( (1)/(sqrt2) ,(1)/(sqrt2) )`
`( - (3)/(sqrt2) , (1)/(sqrt2) )`
NONE of these

ANSWER :A


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