答:
m^2+m+1=0
m^2=-m-1
根据求根公式有:
m=(-1±√3i)/2
m^3+2m+2013
=m(-m-1)+2m+2013
=-m^2+m+2013
=m+1+m+2013
=2m+2014
=-1±√3i+2014
=2013±√3i
答:
m^2+m+1=0
m^2=-m-1
根据求根公式有:
m=(-1±√3i)/2
m^3+2m+2013
=m(-m-1)+2m+2013
=-m^2+m+2013
=m+1+m+2013
=2m+2014
=-1±√3i+2014
=2013±√3i