__________________ / ___ \/ 4000 - 800*\/ 5 --------------------- ____ ___ \/ 10 + 10*\/ 2
sqrt(4000 - 800*sqrt(5))/(sqrt(10) + 10*sqrt(2))
___________ ___________ / ___ ___ / ___ 40*\/ 5 - \/ 5 4*\/ 5 *\/ 5 - \/ 5 ----------------- - ---------------------- 19 19
40*sqrt(5 - sqrt(5))/19 - 4*sqrt(5)*sqrt(5 - sqrt(5))/19
__________________ / ___ / ____ ___\ -\/ 4000 - 800*\/ 5 *\\/ 10 - 10*\/ 2 / ------------------------------------------- 190
-sqrt(4000 - 800*sqrt(5))*(sqrt(10) - 10*sqrt(2))/190
___________ ___ / ___ 20*\/ 2 *\/ 5 - \/ 5 ----------------------- ____ ___ \/ 10 + 10*\/ 2
20*sqrt(2)*sqrt(5 - sqrt(5))/(sqrt(10) + 10*sqrt(2))
___________ / ___ 20*\/ 5 - \/ 5 ----------------- ___ 10 + \/ 5
20*sqrt(5 - sqrt(5))/(10 + sqrt(5))
___________ ___ / ___ 20*\/ 2 *\/ 5 - \/ 5 ----------------------- ____ ___ \/ 10 + 10*\/ 2
20*sqrt(2)*sqrt(5 - sqrt(5))/(sqrt(10) + 10*sqrt(2))