Find the coordinates of all points P on the x-axis so that the line through A (1, 2) and P is perpendicular to the line through B (8, 3) and P
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Originally Posted by ea12345 Find the coordinates of all points P on the x-axis so that the line through A (1, 2) and P is perpendicular to the line through B (8, 3) and P Let P have coordinates (a, 0). Get the gradient of the line passing through A and P in terms of a. Get the gradient of the line passing through B and P in terms of a. Solve the equation for a.
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