Question 265336
(-1/2)a(t^2) = a*t*z - (1/2)g(z)
----------------------
(-1/2)a(t^2) - a*t*z = - (1/2)g(z)
----------------------
a[(-1/2)t^2 -tz] = -(1/2)g(z)
---
a = [(1/2)g(z)]/[(1/2)t^2 + tz]
==================================
Cheers,
Stan H.