JEE Main 10 April 2016 Paper
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Question : 78 of 90
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A ray of light is incident along a line which meets another line, 7 x − y + 1 = 0 , at the point ( 0 , 1 ) . The ray is then reflected from this point along the line, y + 2 x = 1 . Then the equation of the line of incidence of the ray of light is :
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