Sur Certaines Courbes Qu'on Peut Adjoindre Aux Courbes Planes Pour L'etude de leurs Proprietes Infinitesimales

M. Maurice D'Ocagne
1888 American Journal of Mathematics  
Known as the Early Journal Content, this set of works include research articles, news, letters, and other writings published in more than 200 of the oldest leading academic journals. The works date from the mid--seventeenth to the early twentieth centuries. We encourage people to read and share the Early Journal Content openly and to tell others that this resource exists. People may post this content online or redistribute in any way for non--commercial purposes. Read more about Early Journal
more » ... out Early Journal Content at http://about.jstor.org/participate--jstor/individuals/early-journal--content. JSTOR is a digital library of academic journals, books, and primary source objects. JSTOR helps people discover, use, and build upon a wide range of content through a powerful research and teaching platform, and preserves this content for future generations. JSTOR is part of ITHAKA, a not--for--profit organization that also includes Ithaka S+R and Portico. For more information about JSTOR, please contact support@jstor.org. I'element connu, grace 'a un theoreme que nous avons donne ailleurs.* Voici quelle est cette construction: La droite OH coupe la perpendiculaire elevee en P a OP, qui est une droitefixe, en un point S. La tangente en H a la courbe t coupant PH1 en J, on tire JS qui coutpe PH en J1. H1J1 est la tangente ' la courbe n au point H1. * Journal de Mathematiques speciales, 1885, p. 15 et 83. planes pour l'etude de lears propriet6s infinit6simales.
doi:10.2307/2369288 fatcat:7yt4p7tzsfdztjbhj5gns4yjz4