A ray of light is incident along a line which meets another line, 7x� – InterviewSolution

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1.	A ray of light is incident along a line which meets another line, 7x–y+1=0, at the point (0,1). The ray is then reflected from this point along the line, y+2x=1. Then the equation of the line of incidence of the ray of light is :
Answer» 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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