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 B are

Answer»

`(5,10,6)`
`(10,15,11)`
`(-10-15-14)`
`(-10, 15, -11)`

ANSWER :C


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