secretsarelies4626 secretsarelies4626 25-05-2023 Mathematics contestada b) Solve the PDE Uxy=1 for U(x,y). c) Solve the PDE Uxy=0 for U(x,y,z). d) Solve the initial value problem Ut+Ux=0, U(1,x)= 2x/(1+x2)