A ray of light travels along a line y=4 ...

A ray of light travels along a line `y=4` and strikes the surface of curves `y^2=4(x+y)dot` Then the equations of the line along which of reflected ray travels is `x=0` (b) `x=2` (c) `x+y` (d) `2x+y=4`

x=0

x=2

x+y=4

2x+y=4

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