j-lee00 Messages 93 Reaction score 0 Thread starter Dec 19, 2007 #1 Integrate sqrt(1 +a^2*x^2) dx Thanks
Hootenanny Staff Emeritus Science Advisor Gold Member Messages 9,621 Reaction score 9 Dec 19, 2007 #2 How about a hyperbolic trig substitution, say; [tex]ax = \sinh(u)[/tex] Last edited: Dec 19, 2007