| [ QuizWit ] in KIDS 글 쓴 이(By): iLUSiON (ivenomouth) 날 짜 (Date): 1998년 5월 5일 화요일 오전 01시 28분 38초 제 목(Title): linear algebra 7 tr(AB) = 0, A,B symetric n.n.d.. Show AB = 0 NOTE: The reason I am always posting problems about n.n.d. is they come out a lot in statistics. ^^ 1010101010101010101010101000000010101010010101010101000000010001111110101001010 0101010011111010101000100010110101010101010101001010101010101010101111111101010 1011111100010101010101010101101010101011111101010111101010001110101010001010110 http://www.math.mcgill.ca/~chung |