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What is the least degree of a polynomial equation that has 3i as a root with a multiplicity of 3?
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What is the least degree of a polynomial equation that has 3i as a root with a multiplicity of 3?

User BHAWANI SINGH
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If it has a multiplicity of 3, x^3 is its highest power. It will have another root of -3i and 1 real root.
User Ishraq Ahmad
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