What is the polynomial function of lowest degree with leading coefficient 1 and roots 1 and 1 plus i ?
A
f of x is equal to x squared minus 2 x plus 2B
f of x is equal to x cubed minus 3 x squared plus 4 x minus 2C
f of x is equal to x cubed minus x squared plus 4 x minus 2D
f of x is equal to x squared minus x plus 2