C cookie New member Joined Jul 30, 2015 Messages 2 Jul 30, 2015 #1 I need help with this one: ∫ [(1 + x^2)^1/2 + (1 - x^2)^1/2] / (1 - x^4)^1/2 Last edited by a moderator: Jul 30, 2015
D Deleted member 4993 Guest Jul 30, 2015 #2 cookie said: I need help with this one: ∫ [(1 + x^2)^1/2 + (1 - x^2)^1/2] / (1 - x^4)^1/2 Click to expand... Hint: 1- x4 = (1 + x2)*(1 -x2)
cookie said: I need help with this one: ∫ [(1 + x^2)^1/2 + (1 - x^2)^1/2] / (1 - x^4)^1/2 Click to expand... Hint: 1- x4 = (1 + x2)*(1 -x2)
