Post your proofs: Given five points on a sphere, four of them lie on a closed hemisphere.

Re:Post your proofs: Given five points on a sphere, four of ... by andrewf on Tuesday December 04, 2007 @01:27PM (#86014)

rot13.com also:

Cvpx nal gjb bs gur cbvagf naq pbafgehpg gur terng pvepyr gung pbagnvaf gurz. Guvf terng pvepyr qvivqrf gur fcurer vagb gjb urzvfcurerf, yrg'f pnyy gurz N naq O.

Jurer (n,o) vf gur ahzore bs gubfr bgure cbvagf ylvat va gur erfcrpgvir urzvfcurerf, (n,o) zhfg or bar bs: (0,3), (1,2), (2,1), be (3,0).

Nqqvat gur 2 cbvagf gung yvr ba gur terng pvepyr (naq gurersber va N naq O), gur ahzore bs gbgny cbvagf va gur erfcrpgvir urzvfcurerf zhfg or: (2,5), (3,4), (4,3) be (5,2). Nyy bs gurfr srngher bar pybfrq urzvfcurer pbagnvavat 4 be zber bs gur cbvagf.

(Arrqf gb or nppbzcnavrq jvgu fvzvyne cebbsf, be trarenyvfrq gb nppbhag sbe, fpranevbf jurer 3, 4 be 5 bs gur bevtvany cbvagf yvr ba gur fnzr terng pvepyr).

[ Parent | on HN ]

Re:Post your proofs: Given five points on a sphere, four of ... by danteembermage on Tuesday December 04, 2007 @04:33PM (#86111)

My attempt was similar, but I didn't zragvba gur rqtr pnfrf so I may not have received full credit from the grader (they don't tell you which question your points come from).

[ Parent | on HN ]