SOLUTION: Can someone help me* my problem is to find a polynomial function of degree 3 with the given numbers as zeros. 2, i, -i

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can someone help me* my problem is to find a polynomial function of degree 3 with the given numbers as zeros. 2, i, -i      Log On


   

Question 141125: Can someone help me* my problem is to find a polynomial function of degree 3 with the given numbers as zeros. 2, i, -i
Found 2 solutions by rapaljer, edjones:
Answer by rapaljer(4671) About Me  (Show Source):
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
(x-i)(x+i)=x^2+ix-ix-i^2=x^2+1
(x-2)(x^2+1)=x^3-2x^2+x-2
.
Ed