G GaganDeep fffff Joined Oct 12, 2005 Messages 109 Gender Male HSC 2006 Oct 14, 2006 #1 The q8 suppose that w^3 =1 w=/ 1 and k is a + integer 1. find the two possible values of 1 + w^k + w^(2k) i get the zero, but not the other?
The q8 suppose that w^3 =1 w=/ 1 and k is a + integer 1. find the two possible values of 1 + w^k + w^(2k) i get the zero, but not the other?
C cyl123 Member Joined Dec 17, 2005 Messages 95 Location N/A Gender Male HSC 2007 Oct 14, 2006 #2 the other solution is 3 as when k=3n (ie multiple of 3) 1 + w^k + w^2k = 1 +1+1 = 3
V vafa Member Joined Mar 16, 2006 Messages 300 Gender Undisclosed HSC N/A Oct 14, 2006 #3 An Alternative solution: View attachment 13866 Last edited: Oct 14, 2006
