A ray of light coming from the point (1,2) is reflected at a point a on the x axies and then passes through the point (5,3) the coordinate of the point a are
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Let the coordinates at A= x, 0
The angle each ray makes at x-axis is the same so 2 triangles are formed
The tangent of the common angles= y-coordinate/x-coordinate.
2/ x-1 = 3/ 5-x
2(5-x)= 3(x-1)
10-2x= 3x-3
x= 13/5
The angle each ray makes at x-axis is the same so 2 triangles are formed
The tangent of the common angles= y-coordinate/x-coordinate.
2/ x-1 = 3/ 5-x
2(5-x)= 3(x-1)
10-2x= 3x-3
x= 13/5
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