X ≥ 1 2x 5 2 − 4x 1 2 ) 1 July 8, 2019 16 32 64 128 X ≥ 1 2x 5 2 − 4x 1 2 )+ 1 (x ^ 2 + 1/(x ^ 2)) - 4(x + 1/x) + 5 = 0 (x ^ 2)/(x ^ 2 - 1) = (4x + 5)/(x ^ 2 - 1)
