The polynomial $P(x) = x^4 + ax^3 + bx^2 + cx + d$ has real coefficients. It is known that $P(i) = 0$ and $P(1) = 5$, where $i$ is the imaginary unit. Determine the values of $a, b, c,$ and $d$. Justify your reasoning.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Mathematical Methods practice question worth 7 marks, testing your understanding of Polynomial Equation Solutions. It falls under Algebra, number and structure in Unit 3: Mathematical Methods Unit 3. Submit your answer above to receive instant AI-powered marking and personalised feedback.
Extend introductory study of functions, algebra, calculus. Focus on functions, relations, graphs, algebra, and applications of derivatives.
Covers algebra of functions, inverse functions, and solutions of equations and systems of equations.
solution of polynomial equations with real coefficients of degree $n$ having up to $n$ real solutions, including numerical solutions
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