 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2017/paper-2/16/b/ii/solution

Differentiate the corresponding components:

\nabla \cdot F = 0 + 2 (y + 2 x - 4) - 2 z = 2 y + 4 x - 8 - 2 z .

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