See Guan Ri Oh's answer to Tammy Low's Secondary 4 A Maths question

Guan Ri Oh's answer to Tammy Low's Secondary 4 A Maths question.

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Date Posted: 7 years ago

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Guan Ri Oh

7 years ago

For 15 part (ii), I assume that you have already learnt complex numbers and also assumed that the question wants you to find all roots including complex roots.