# [ARBLE], 49 bytes <!-- language-all: lang-lua --> sqrt((a^2+b^2)/2)+(a+b)/2+sqrt(a*b)+(2*a*b)/(a+b) [Try it online!][TIO-j8t7neom] [ARBLE]: https://github.com/TehFlaminTaco/ARBLE [TIO-j8t7neom]: https://tio.run/##SyxKykn9/7@4sKhEQyMxzkg7Kc5IU99IU1sjUTsJyNAGyyRqJQFFjLRAtD5Y5v///@b/zQA "ARBLE – Try It Online"