Let X1,X2,....Xn be a random sample from

f(x; u , v) = {v/(2*Pi*x^3)}^(1/2) *Exp[-v(x-u)^2/(2*u^2*x)] where u and v are parameters and x>0

Find a complete sufficient statistic for (u,v) and use it to find the Minimum Variance Unbiased Estimator of u.

please help me on this one