Find each of the following zeros f(y)=y^5-2y^3+y

Answer 1

y^5-2y^3+y = 0
y(y^4-2y^2+1) = 0
y(y^2-1)^2 = 0
y (y-1)^2 (y+1)^2 = 0
got it now?

Answer 2

Good

Answer 3

f(y)=y^5-2y^3+y;find zeros

Answer 4

1,-1