Question 5 (10 marks,C3)Let a,b,c and d be constants and define1a a2 a3166263A=1c c2c31 d d2 d3Without using cofactor expansion,prove thatdet(A)=(d-a)(c-a)(b-a)(d-b)(c-b)(d-c).
题目答案请扫描下方二维码查看。
Question 5 (10 marks,C3)Let a,b,c and d be constants and define1a a2 a3166263A=1c c2c31 d d2 d3Without using cofactor expansion,prove thatdet(A)=(d-a)(c-a)(b-a)(d-b)(c-b)(d-c).
