1.求下列微分方程的通解:-|||-(1) '-yln y=0;-|||-(2) (x)^2+5x-5y'=0;-|||-(3) sqrt (1-{x)^2}y'=sqrt (1-{y)^2};-|||-(4) '-xy'=a((y)^2+y');-|||-(5) (sec )^2xtan ydx+(sec )^2ytan xdy=0;-|||-(6) dfrac (dy)(dx)=(10)^x+y;-|||-(7) ((e)^x+y-(e)^x)dx+((e)^x+y+(e)^y)dy=0;-|||-(8) cos xsin ydx+sin xcos ydy=0;-|||-(9) ((y+1))^2dfrac (dy)(dx)+(x)^3=0;-|||-(10) +((x)^2-4x)dy=0.