四阶行列式,要有过程.a^2+1/a^2 a 1/a 1b^2+1/b^2 b 1/b 1c^2+1/c^2 c 1/c 1d^2+1/d^2 c 1/d 1

问题描述:

四阶行列式,要有过程.
a^2+1/a^2 a 1/a 1
b^2+1/b^2 b 1/b 1
c^2+1/c^2 c 1/c 1
d^2+1/d^2 c 1/d 1