Zoeken Afbeeldingen Maps Play YouTube Nieuws Gmail Drive Meer »
Inloggen
Boeken Boek
" And in continued proportions, the square of the mean is equal to the rectangle contained by the extremes. "
A new supplement to Euclid's Elements of geometry, by the author of 'A new ... - Pagina 61
door Joseph Denison - 1840 - 84 pagina’s
Volledige weergave - Over dit boek

Geometrical Propositions Demonstrated, Or, a Supplement to Euclid: Being a ...

William Desborough Cooley - 1840 - 94 pagina’s
...proportionals be numbers, the solution of this Problem may be conveniently derived from the principle that the square of the mean is equal to the rectangle contained by (or the product of) the extremes (vi. Prop. 17). From the square of the given sum of the extremes,...
Volledige weergave - Over dit boek

The Investigation of Difficult Things: Essays on Newton and the History of ...

Peter M. Harman, Peter Michael Harman, Alan E. Shapiro - 2002 - 548 pagina’s
...Now because AB = AX and DX is perpendicular to AY, so DA/ AX = AX/ A Y. And in continued proportions, the square of the mean is equal to the rectangle contained by the extremes. Therefore, [AB 2 = AX 2 = DA-A Y]. Corollary. If I had said that the rectangle contained by the segments...
Gedeeltelijke weergave - Over dit boek




  1. Mijn bibliotheek
  2. Help
  3. Geavanceerd zoeken naar boeken
  4. ePub downloaden
  5. PDF downloaden