find the PDF of t and the PDF of g(x,v1,v2)

1) if z ~ N ( O, 1 ) V~ X 2 (V ) 2 and V are independent Z T = TV/V Tot ( V ) find the POF of t ! ( if VINX ( Vi ) ? independent V2 ~ x ? ( V2 ) _ Vi/Vi = XNF ( vi,vz ) V2/ oz find the pof of g (x, vi, Vz )