The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 1106
... lines of the triangle . ( This becomes a line if P is on the circumcircle of the triangle . ) If A , B , C , D are four points , no three collinear , then the four pedal circles of each point for the triangle formed by the other three ...
... lines of the triangle . ( This becomes a line if P is on the circumcircle of the triangle . ) If A , B , C , D are four points , no three collinear , then the four pedal circles of each point for the triangle formed by the other three ...
Page 1115
... lines , which are the tangents of the conic . A point not on the conic is said to be inside or outside according as it lies on no tangent or on two tangents . Analogous results hold in three dimensions , with planes instead of lines and ...
... lines , which are the tangents of the conic . A point not on the conic is said to be inside or outside according as it lies on no tangent or on two tangents . Analogous results hold in three dimensions , with planes instead of lines and ...
Page 1124
... lines on itself . The fixed lines of this mapping are imaginary and have always the same two directions ; i.e. , those given in any Cartesian coordi- nate system by the equations yix , y = -ix . Lines hav- ing either of these directions ...
... lines on itself . The fixed lines of this mapping are imaginary and have always the same two directions ; i.e. , those given in any Cartesian coordi- nate system by the equations yix , y = -ix . Lines hav- ing either of these directions ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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