Find a polynomial f(x) of degree 3 with real coefficients and the following zeros.
1 , +32i
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if 32i is a zero then -32i is also a zero of that polynomial
so the zeros are 1,32i,-32i
the polynomial is (x-1) (x+32i) (x-32i) = 0
(x-1) x^2+1024) = 0
x^3 -x^2 +1024x -1024 = 0
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