Question

find the factor of y^3+y^2+y+1​

Answer 1

Answer:

Step-by-step explanation:f(y)=y³+y²+y+1=0

f'(y)=3y²+2y+1=0

=3y²+3y-y+1=0

3y(y+1)-1(y+1)=0

3y-1=0,y+1=0

y=1/3,y=-1