X 2 ) 2 sqrt 5 x 40 0 July 8, 2019 16 32 64 128 X 2 )+ 2 sqrt 5 x 40 0 X 2 )+ 2 sqrt 5 ⋅ x 40 0 Sqrt(x ^ 2 + 5) Sqrt(x ^ 2 - 5) = 2 Sqrt(x ^ 2 - 4)
