题目
2.必答[单选题]下列（）是5阶行列式det(a_(ij))的一项A. -a_(21)a_(34)a_(15)a_(53)a_(42)B. a_(42)a_(34)a_(52)a_(15)a_(21)C. a_(42)a_(34)a_(53)a_(15)a_(21)D. a_(31)a_(14)a_(25)a_(52)a_(43)
2.必答[单选题]下列（）是5阶行列式det($a_{ij}$)的一项
A. $-a_{21}a_{34}a_{15}a_{53}a_{42}$
B. $a_{42}a_{34}a_{52}a_{15}a_{21}$
C. $a_{42}a_{34}a_{53}a_{15}a_{21}$
D. $a_{31}a_{14}a_{25}a_{52}a_{43}$
题目解答
答案
C. $a_{42}a_{34}a_{53}a_{15}a_{21}$