$$\left. \begin{array} { l } { y = \sqrt { 7 } - y ^ { 2 } = \sqrt { 3 } 68 \pi r e ^ { 2 } = 5 + \sqrt { 24 } } \\ { \text { s e r i n c a r f a r i c t a s \right.$$
$y = \frac{\sqrt{4 \sqrt{7} + 1} - 1}{2} \approx 1.201690721$
$y=\frac{-\sqrt{4\sqrt{7}+1}-1}{2}\approx -2.201690721$
