Posted by Jimmycan someone please help on .
form a polynomial with real coefficients have given degree and zeros.
degree 5, zeros 9, i; 8+i
please show work

calculus 
Steve,
complex roots are in pairs, so we have
(x9)(x+i)(xi)(x(8+i))(x(8i))
(x9)(x^2+1)((x8)^2 + 1)
. . .