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wu :: forums    riddles    medium (Moderators: SMQ, william wu, Eigenray, ThudnBlunder, Icarus, Grimbal, towr)    find x « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: find x  (Read 453 times) tony123 Junior Member     Posts: 61 find x   « on: Jun 29th, 2007, 6:39am » Quote Modify x=sqrt(2 +sqrt 2 -sqrt(2+x))) IP Logged SMQ wu::riddles Moderator Uberpuzzler     Gender: Posts: 2084 Re: find x   « Reply #1 on: Jun 29th, 2007, 6:44am » Quote Modify 2 cos 40o   --SMQ « Last Edit: Jun 29th, 2007, 9:06am by SMQ » IP Logged --SMQ Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: find x   « Reply #2 on: Jun 29th, 2007, 8:43am » Quote Modify Aren't we looking for a root of a polynomial of degree 8? IP Logged Sameer Uberpuzzler Pie = pi * e     Gender: Posts: 1261 Re: find x   « Reply #3 on: Jun 29th, 2007, 8:46am » Quote Modify Didn't somebody (T&B) post this just a while ago...or was it aryabhatta? IP Logged "Obvious" is the most dangerous word in mathematics. --Bell, Eric Temple Proof is an idol before which the mathematician tortures himself. Sir Arthur Eddington, quoted in Bridges to Infinity Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: find x   « Reply #4 on: Jun 29th, 2007, 8:58am » Quote Modify yes. http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_eas y;action=display;num=1182010933;start=6#6   And now I understand SMQ's answer.  He didn't copy the whole answer.   « Last Edit: Jun 29th, 2007, 9:01am by Grimbal » IP Logged SMQ wu::riddles Moderator Uberpuzzler     Gender: Posts: 2084 Re: find x   « Reply #5 on: Jun 29th, 2007, 9:05am » Quote Modify on Jun 29th, 2007, 8:58am, Grimbal wrote: And now I understand SMQ's answer.  He didn't copy the whole answer.   Actually, I just didn't read the original answer carefully enough.  Fixed.  (But my answer did link to the recent thread, at least)...   --SMQ IP Logged --SMQ Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: find x   « Reply #6 on: Jun 29th, 2007, 9:10am » Quote Modify Sorry, I didn't see the link.  With the hide tag, it doesn't show as a link, except for the hand that appears when you hover over it. IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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