matlab 怎样解分式方程

>> syms d *定义变量*
>> solve('1/(d+2)+1/(d+(sqrt(2))*j)+1/(d-(sqrt(2))*j)=1/(d+1+j)+1/(d+1-j)+2/d') *求解*

ans =

[ -3.1460668693018711191972629641873]
[ -.74462414950400271067351102877879-.63647026766323616159678571776485*i]
[ -.74462414950400271067351102877879+.63647026766323616159678571776485*i]
[ .31765758415493827027214251087246-2.2801634669987671508361484728280*i]
[ .31765758415493827027214251087246+2.2801634669987671508361484728280*i]

另外，需要验证是否有增根。