 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2021/ii/paper-3/33b/a/solution

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

j = ∣ j_{1} - j_{2} ∣, ∣ j_{1} - j_{2} ∣ + 1, \dots, j_{1} + j_{2} .

For each such

j

, measurement along any axis has magnetic quantum number

m = - j, - j + 1, \dots, j

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