 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ib/paper-2/13b/b/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

Substitute

y = - x - z

. The stationary equations are

- 6 x^{2} + 2 (x + z) = 0

and

2 x + 8 z = 0

(x, y, z) = (0, 0, 0)

and

(1/4, - 3/16, - 1/16)

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