For a∈R, let f(z)=z5-5z+a. Select the correct statement for α satisfying f(α)=0.
Posted: Thu Jul 14, 2022 9:41 am
a) α has exactly three possible real values for a>4
b) α has exactly one possible real value for a>4
c) α has exactly three possible real values for a<-4
d) α has exactly one possible real value for -4<a<4
b) α has exactly one possible real value for a>4
c) α has exactly three possible real values for a<-4
d) α has exactly one possible real value for -4<a<4