 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2025/ia/paper-1/6c/c/i/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

For a plane reflection, the

n

direction is reversed while

n^{⊥}

is fixed. Thus

L = - 1

α = 1

, and

γ = 0

, equivalently

a = \frac{1}{3}, b = c = - \frac{2}{3} .

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