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" Find the locus of a point the sum of the squares of whose distances from two given points is constant. "
Metrical Geometry: An Elementary Treatise on Mensuration - Σελίδα 151
των George Bruce Halsted - 1881 - 232 σελίδες
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The Edinburgh encyclopaedia, conducted by D. Brewster, Τόμος 16

Edinburgh encyclopaedia - 1830 - 828 σελίδες
...have u = у, z = я /, * = e, and ç y = sin. u ; conjequently и =: :-fc sin. z (sin. z) — t ¡on of a point, the sum of the squares of whose distances from four given pointe in space shall be the least possible. Let one of the pointe be the origin of the...

Calendar of Queen's [afterw.] University college, Cork

Cork city, univ. coll - 1851 - 210 σελίδες
...respectively. Find the ratio of their areas. 6. Explain what is meant by the locus of a point. Determine the locus of a point, the sum of the squares of whose distances from two given points is constant. What is the limiting case of this problem. 7- The base and hypothenuse of...

An Elementary Treatise on Quaternions,

Peter Guthrie Tait - 1867 - 364 σελίδες
...them a plane in such a way that these planes may intersect in a common line ? 10. Find the equation of the locus of a point the sum of the squares of whose distances from a number of given planes is constant. 11. Substitute " lines" for " planes" in (10). 12. Find the equation...

An elementary treatise on quaternions

Peter Guthrie Tait - 1867 - 364 σελίδες
...them a plane in such a way that these planes may intersect in a common line ? 10. Find the equation of the locus of a point the sum of the squares of whose distances from a number of given planes is constant. 11. Substitute " lines" for "planes" in (10). 12. Find the equation...

A Treatise on Elementary Geometry: With Appendices Containing a Collection ...

William Chauvenet - 1871 - 380 σελίδες
...sections of a given sphere made by planes passing through a given point. 367. Locus of a point in space the sum of the squares of whose distances from two fixed points is a given constant.' (Ex. 174.) 368. Locus of a point in space the difference of the squares of whose...

A Treatise on Elementary Geometry: With Appendices Containing a Collection ...

William Chauvenet - 1872 - 382 σελίδες
...sections of a given sphere made by planes passing through a given point. 367. Locus of a point in space the sum of the squares of whose distances from two fixed points is a given constant. (Ex. 174.) 368. Locus of a point in space the difference of the squares of whose...

Introduction to quaternions, by P. Kelland and P.G. Tait

Philip Kelland - 1873 - 248 σελίδες
...That if 6 = 0, с = 0, the question is satisfied by p = 00, whatever be a, therefore &o. Ex. 5. Find the locus of a point, the sum of the squares of whose distances from a number of given planes is constant. Let tfSipl = (7,, SSj12 = Ct, cfcc. be the equations of the given...

Mathematical Questions and Solutions, from the "Educational Times ..., Τόμος 20

W. J. C. Miller - 1874 - 118 σελίδες
...found in Chauvenet's Elementary (jeumrtry, pp. 230, 236.] 4128. (Proposed by AB EVANS, MA) — Find the locus of a point the sum of the squares of whose distances from the vertices of a given triangle is constant. I. Solution by H. MURPHY. Let the vertices be A, B, C....

Mathematical Questions and Solutions, from the "Educational Times.", Τόμος 20

1874 - 124 σελίδες
...solid angles, faces, and edges of any polyhedron (Euler's theorem) 26 4128. (AB Evans, MA) — Find the locus of a point the sum of the squares of whose distances from the vertices of a given triangle is constant 28 4135. (JJ Walker, MA) — A vertical circle may be...

Exercises Contained in Wentworth's Geometry: With Key, Followed by a ...

George Albert Wentworth - 1879 - 196 σελίδες
...their squares is equal to three times the sum of the squares of the sides of the triangle. Ex. 285. The locus of a point, the sum of the squares of whose distances from two fixed points is constant, is the circumference of a circle. Ex. 286. Convert a parallelogram into another having * given angle....




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