 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2025/paper-2/11/a/ii/solution

Multiplying the complex numbers gives

b \overset{z}{ˉ} + \overset{ˉ}{b} z = 2 (b_{1} x + b_{2} y)

. Hence the real linear equation is

2 b_{1} x + 2 b_{2} y + c = 0 .

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