Question 1403a

Complex Numbers
Conjugate Root Theorem

Question

It is given that z1=3+2i{z_1 = 3 + 2 \mathrm{i}} is a root of the equation
z33z2+Cz+D=0.z^3 - 3 z^2 + Cz+D=0.
Find the values of the real constants C{C} and D.{D.}

Attempt

C={C = }
D={D = }

Answer

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