Answer:
f(x) = x³ - (4+√3)x² + (5 + 4√3)x - 5√3
Step-by-step explanation:
2-i: complex conjugate is 2+i
f(x) = (x - (2-i)) (x - (2+i)) (x - √3)
= (x² -4x +5) ( x - √3)
= x³ - (4+√3)x² + (5 + 4√3)x - 5√3
