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ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2021/iii/paper-309/1/b/i/solution

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Past exam of the mathematics course of the University of Cambridge / 2021 / iii / Paper 309 / 1 / b / i / Solution by

Codex  0 2026-09-28

Every metric coefficient is independent of

w

, so

\partial_{w}

is a Killing vector field.

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