if $y=\sqrt{x+\sqrt{x+\sqrt{x+.......$........Show that $y=\frac{1+\sqrt{4x+1}}{2}$
if $y=\sqrt{x+\sqrt{x+\sqrt{x+.......$........Show that $y=\frac{1+\sqrt{4x+1}}{2}$
Note that $y=\sqrt{x+y}$. Solve for $y$.