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	Math Help Forum > University Math Help > Discrete Mathematics, Set Theory and Logic Components, edges, and vertices User Name Save? Password Register Forum Rules FAQ Donate Members List Arcade Download MHF Flyer Search Today's Posts Mark Forums Read   Thread Tools Display Modes   #1   November 18th, 2009, 07:38 AM Mahonroy Newbie   Join Date: Sep 2009 Posts: 18 Country: Thanks: 0 Thanked 0 Times in 0 Posts Components, edges, and vertices Hello, I came across this problem and I wasn't entirely sure on how to do it. Seeing if someone can give me a hand with it? Or advice on how to get started? Any help is greatly appreciated, thanks! Attached Thumbnails   Advertisement     #2   December 1st, 2009, 09:36 AM Mahonroy Newbie   Join Date: Sep 2009 Posts: 18 Country: Thanks: 0 Thanked 0 Times in 0 Posts This still isn't making much sense to me, can anyone give me a hand? Thanks again!   #3   December 1st, 2009, 11:35 AM eurialo Newbie   Join Date: Nov 2009 Posts: 7 Thanks: 1 Thanked 1 Time in 1 Post I think you're looking for Euler's formula for planar graphs. You should find it on every textbook on the subject. « Modulo of squares = modulo of roots | Top | Equation Evaluator » Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are Off Refbacks are Off Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home Pre-University Math Help     Pre-Algebra and Algebra     Geometry     Trigonometry     Pre-Calculus     Basic Statistics and Probability     Other topics University Math Help     Calculus     Analysis, Topology and Differential Geometry     Linear and Abstract Algebra     Number theory     Discrete Mathematics, Set Theory and Logic     Advanced Probability and Statistics     Advanced Applied Math     Differential Equations     Business Math     Other Advanced Topics Math Resources     LaTex Help     Mathematics Software Discussion     Calculator Discussion     Useful Math Websites     Mathematics News MHF Lounge     Chat Room         Live Chat         Philosophy             Archive of old debates     Problem of the Week     Pre-prints and other original work Challenges and Puzzles     Puzzles     Math Challenge Problems MHF Feedback and Announcements Forum     Question, Feedback and Comments     Announcements Our Other "Help Forums"     Physics Help Forum     Chemistry Help Forum All times are GMT -7. The time now is 04:30 AM. Contact Us - Math Help - Archive - Top Powered by vBulletin® Version 3.7.3 Copyright ©2000 - 2010, Jelsoft Enterprises Ltd. SEO by vBSEO 3.2.0 ©2008, Crawlability, Inc. ©2005 - 2009 Math Help Forum

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