Bailey, Frederick H. (Frederick Harold), 1865- · Boston, London, Ginn & Co. · leaf 87
e linesy — 2x — 5 = 0 and y — 3x — 6 = 0.As the line is to pass through (1, 1), 1(1 - 2 - 5) + k(l - 3 - 6) = 0 or I = - - k. .-. - ^k(y-2x -5) + k(y- 3x - 6) = 0, or y + X = 2 is the required line. It is to be noted that by this method there is no need offinding the point of intersection of the… … Fig. 39. Let the equations of the given lines be written in the formsX cos ai + y sin ai — Pi = 0, I. X cos a2 + y sin a, — p.^ ^ 0. II. THE STRAIGHT LINE. 73 Let (1) and (2) be the two bisectors, (1) being called theinternal bisector since it passes through that one of the anglesmade by I and II…
Geometry, Analytic
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