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NSWMaths Extension 2Quick questions
Using Complex Numbers (MEX-N2)
Quick questions on Polynomials over the complex field in HSC Mathematics Extension 2: solving quadratics with complex coefficients, the conjugate root theorem, and complete factorisation
1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is sign error in ?Show answer
The middle coefficient is minus twice the real part, and the constant is the squared modulus, not the modulus.
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