 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ii/paper-3/35e/c/solution

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

Stationarity gives

artanh m = β (B + 6 J m + 6 K m^{2})

, or

m = tanh Q (m)

with

Q (m) = β (B + 6 J m + 6 K m^{2})

 New to topics? Read the docs here!