Question #5eda4
1 Answer
Sep 4, 2017
Explanation:
The complex conjugate root theorem states that if
Since the polynomial has the zeros
#f(x) = (x-3)(x-i)(x+i)#
Since
#f(x) = (x-3)(x^2 - i^2)#
#f(x) = (x-3)(x^2 + 1)#
We can expand this further.
#f(x) = x^3 + x - 3x^2 - 3#
In standard form, the function is