-- Feynman and Hibbs problem 3-7 -- Verify equation (4) i = quote(i) -- Clear symbol i to avoid branch cuts A = sqrt(m / 2 / pi / i / hbar / (t + s)) B = sqrt(m / 2 / pi / i / hbar / t) C = sqrt(m / 2 / pi / i / hbar / s) D = sqrt(2 pi i hbar t s / m / (t + s)) A == B C D Run