Equation of line in Straight lines
A man starts from the point P(-3 ,4) and reaches the point Q (0, 1) touching the x-axis at R(,0) such that PR + RQ is minimum. Then =________.
For PR + RQ to be minimum, it should be the path of light.
From similar triangles PAR and QMR,
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A light ray emerging form the point source placed at P(2,3) is reflected at a point Q on the y-axis. It then passes through the point R(5,10). The coordinates of Q are
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