2F1(2%2C 1%2Bi*(0.15748*sqrt(1.2%2Ft))%3B 2%2Bi*(0.15748*sqrt(1.2%2Ft))%3B ((1 %2B i*sqrt(1.2 * t%2F 20.9006))%2F(1-i*sqrt(1.2 * t%2F 20.9006)))%5E2)