5||0|137|0| 0|0|0|||||Missing expression in a proof|C. Reineke|1|13:18:22|06/20/2010|Dear Alex%2C%0D%0A%0D%0Ait%27s on the page%3A%0D%0A%0D%0Ahttp%3A%2F%2Fwww.cut-the-knot.org%2Fwiki-math%2Findex.php%3Fn%3DMathematicalOlympiads.USA1984Problem1%0D%0A%0D%0AIn the line after %22Expanding the equation we have%22 the expression%0D%0A%0D%0A %28...%29x%0D%0A%0D%0Ais missing.%0D%0A%0D%0AYou can also see the description of the page%2C but that%27s a minor %0D%0Aproblem.%0D%0A%0D%0AKind regards%0D%0A%0D%0AChris 1|1|0|||||RE%3A Missing expression in a proof|alexb||13:18:53|06/20/2010|Sincerest thanks%2C%0D%0AAlex 2|2|1|||||RE%3A Missing expression in a proof|C. Reineke|1|08:48:16|06/21/2010|Alex%2C %0D%0A%0D%0Aif you write it this way then%0D%0A%0D%0A-%5B...%5Dx is correct and not %22%2B%22%5B...%5Dx.%0D%0A%0D%0ASorry%2C my mistake.%0D%0A%0D%0AKind regards%0D%0A%0D%0AChris 3|3|2|||||RE%3A Missing expression in a proof|alexb||08:52:53|06/21/2010|Thank you%2C Chris.%0D%0A%0D%0AThe mistake is obviously mine. 4|4|3|||||RE%3A Missing expression in a proof|C Reineke||14:00:54|10/07/2010|Alex%2C%0D%0A%0D%0A%0D%0Afor a short moment you can see a few lines directly below the headline%2C%09%0D%0Ahttp%3A%2F%2Fwww.cut-the-knot.org%2Fpythagoras%2F1331Sangaku.shtml%0D%0Abut then they disappear behind Google ads.%0D%0A%0D%0A%09%0D%0AHere you recommend%0D%0Ahttp%3A%2F%2Fwww.cut-the-knot.org%2Fbooks%2FReviews%2Findex.shtml%0D%0Aa book by G. Suri and H. Sing Bal. However%2C if you click on the cover you get %0D%0Alinked to a wrong book.%0D%0A%0D%0AHere I found%0D%0Ahttp%3A%2F%2Fwww.cut-the-knot.org%2Farithmetic%2Falgebra%2FHistoricalRemarks.shtml%0D%0A%22Jean Le Rond d%27Alembert%2C in his Encyclop%F0_e...%22%0D%0Aand%0D%0A%22Gauss%2C who gave a proof of the Fundamental Theorem of Algebra in 1799%2C thought %281925%29...%22%0D%0AI think %22%281825%29%22 is correct.%0D%0A%0D%0A%0D%0ARegards%0D%0A%0D%0AChris%0D%0A 5|5|4|||||RE%3A Missing expression in a proof|alexb||14:19:37|10/07/2010|Chris%2C you have my deepest appreciation.