Question

If x² -1 is a factor of f(x) = x4 +ax +b, calculate the values of a and b. Using these values of a and b, factories f(x).​

Answer 1

Answer:

x^2-1=0

x^2=1

x=√1=1

x^4+ax+b=1^4+A1+b=1+a+b

a=-b-1

b=-a-1