Calendar: 1871-1872 Page 584
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584 the school 10 If through two points and Q' of an hyperbola RQQR1 be drawn meeting the asymptotes in and R' then will RQ sq If tangent meet the asymptotes in and 31 the angle sub- tended by LM at the further focus is half the angle between the asymptotes 11 Ellipses are inscribed in given parallelogram show that their foci lie on rectangular hyperbola 12 Prove that the curve formed by the intersection of right cone with plane is an ellipse if the inclination of the cutting plane to the axis is greater than the semi-vertical angle of the cone Different elliptic sections ot right cone are taken having equal major axes find the locus of the centres of the sections
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