dy/dx=3^x *3^y3^(-y) dy=3^x dx-3^(-y)/ln3 = 3^x/ln3 +c13^(-y)= 3^x+cy=-ln(3^x+c)/ln3dp/p=(1+x^2)/x dx =(1/x +2x)dxlnp=lnx+x^2 +cp=c1*x*e^(x^2) c1=±e^c
