Question: Please advise which is the answer a, b, c, or d? Find a quartic polynomial (degree 4) with real coefficients having roots x = 3i

Please advise which is the answer a, b, c, or d?

Find a quartic polynomial (degree 4) with real coefficients having roots x = 3i and x = iV2. Assume a leading coefficient of 1. O P(x) = x4+ 9x3+ 11x2+ 2x+ 18 O P(x) = x4+ 11x3 + 9x2+ 2x+ 18 O P(x) = x4 + 11x2 + 18 O P(x) = x4+ 9x2+ 18

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