1.

A rayof light comes along the line L =0 and sirikes the plane mirror kept along the plane P = 0 at B. A (2,1,6) is a point on the line L =0 whose image about P =0 is A'. It is given thatL = 0 is(x-2)/(3)= (y-1)/(4) = (z-6)/(5) and P = 0 is x + y - 2z = 3 The coordinates of A' are

Answer»

`(6,5,2)`
`(6,5,-2)`
`(6,-5, 2)`
`(-6,-5,-2)`

ANSWER :B


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