Find the cubic equation whose roots are 2 and 1+2i. [M-2.3, IUT : 2021-22]

A x^3\ -\ 4x^2\ +\ 9x\ =\ 6\

B \( x^3\ +\ 4x^2\ \ +\ x\ =10 \)

C \( x^3\ -4x^2\ +x\ =\ 10 \)

D \( x^3\ -\ 4x^2\ +\ 9x\ =\ 10 \)

Solution

Correct Answer: Option D

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