3.利用范德蒙德行列式计算下列行列式:-|||-a^n ((a-1))^n ((a-n))^n-|||-^n-1 ((a-1))^n-1 ((a-n))^n-1-|||-(1)-|||-a a-1 a-n-|||-1 1 1

n-|||-2 3 4 ... 1-|||-三、计算n阶行列式 3 4 5 ... 2 。-|||-......... .......-|||-n 1 2 ..

11.n阶行列式中每个元素对应的展开项都有（n-1）！项A. 对B. 错

-a-|||-1 2 3 n-|||-1 1+2 3 n-|||-1 2 2+3 n =(n-1)!;-|||-1 2 3 (n-1)+n-|||-o

7.计算下列各行列式(Dn为n阶行列式):-|||-a 1-|||-(1)Dn= 其中对角线上元素都是a,未写出的元素都是0.-|||-1 a7.计算下列各行列

(2n-1)24... (2n);-|||-(6) ... (2n-1)(2n)(2n-2)... 2.-|||-3.写出四阶行列式中含有因子a11a 23的项

(2n-1)24... (2n) ;-|||-(6) ... (2n-1)(2n)(2n-2)... 2.-|||-3.写出四阶行列式中含有因子a11a23的项

(2n-1)24... (2n);-|||-(6) ... (2n-1)(2n)(2n-2)... 2.-|||-3.写出四阶行列式中含有因子a11a 23的项

+(n-1)ln dfrac (n-1)(n)] = ____

设 n 阶方阵 A 的行列式 |A|=(1)/(3), 则 |((1)/(3)A)^-1-15A^*|= ().A. $3\cdot2^n$B. $3\cdot

n-1 n-|||-1 2 ... n-1 0-|||-::-|||-1 2 ... 0 0-|||- ... 0 0;;