Question

what is the polynominal function for:
Degree 5; zeros 3;-i;8+i
f(x)= a ( )

Answer 1

Complex zeros come in conjugate pairs... so roots are:
3
-i and + i
8+i and 8 - i

Create polynomials like this:

(x-root)(x-root)(x-root) ...

So multiply:
(x-3)(x-i)(x+i)(x-(8+i))(x-(8-i))

The degree will be 5... hope this helps.

Answer 2

yes.. thk you..