Solve y′=1/xy' = 1/\sqrt{x}y′=1/x.
y=2x+Cy = 2\sqrt{x} + Cy=2x+C
y=x+Cy = \sqrt{x} + Cy=x+C
y=0.5x+Cy = 0.5\sqrt{x} + Cy=0.5x+C
y=lnxy = \ln\sqrt{x}y=lnx