 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2023/ib/paper-2/5c/a/i/solution

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

\nabla \cdot u = A + E + I .

Thus the flow is incompressible exactly when

A + E + I = 0 .

The constant vector

U_{0}

is unrestricted.

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