tag:blogger.com,1999:blog-4857051406259349751.post5291708162753927716..comments2023-10-23T07:37:16.299-07:00Comments on You Do the Math -- K thru Calculus: Junior's first number theory proofUnknownnoreply@blogger.comBlogger2125tag:blogger.com,1999:blog-4857051406259349751.post-12994968482071280032016-08-09T13:22:47.231-07:002016-08-09T13:22:47.231-07:00Fixed. Thanks for the proofreading. Fixed. Thanks for the proofreading. Markhttps://www.blogger.com/profile/14705408455380402571noreply@blogger.comtag:blogger.com,1999:blog-4857051406259349751.post-82628194576262301482016-08-09T11:40:04.999-07:002016-08-09T11:40:04.999-07:00I think there's a typo in your proof. The seco...I think there's a typo in your proof. The second one should read:<br />(3k - 1)(3k - 1) = 9k^2 - 6k + 1 = 3(3k^2 - 2k) + 1 ...but it reads:<br />(3k - 1)(3k - 1) = 9k^2 - 6k + 1 = 3(3k^2 + 2k) + 1 <br /><br />There should be a minus sign in the parentheses, not a +.<br />Good puzzle though. Matthew Bartekhttps://www.blogger.com/profile/18058579062225312404noreply@blogger.com