Question 1070732
Form a polynomial f(x) with real coefficients having the given degree and zeros.
Degree 4; zeros: 4 - 2i, 2 multiplicity 2
-----------
Complex zeroes are in pairs --> 4+2i is a zero.
========
f(x) = (x - 4+2i)*(x - 4-2i)*(x-2)*(x-2)
Multiply that.