Question

Degree 4; zeros: 3i, 8, -8 ....Find the remaining zeros of f

Answer 1

Answer:

Step-by-step explanation:

if the polynomial is real, that is, if the coefficients are real numbers, then the fourth root must be the conjugate of 3i, that is, - 3i.

Answer 2

Answer:

Step-by-step explanation:

fourth root is -3i    if all coefficients are real