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Technical Drawing  Exam Papers  Higher  1996  Paper 1Question 6(a) The distance of the focus from the vertex of a hyperbola is 15mm. A point P on the curve is 90mm from the focus and 70mm from the directrix. Draw a portion of the curve. (b) Draw a triangle FPF_{1} where FP = 130mm, PF_{1} = 70mm and FF_{1} = 100mm. F and F_{1} are the
foci of a double hyperbola and P Is a point on the curve. 


