integrate 1/(x*sqrt(4x^2 + 1)) dx
integrate 1/(x*sqrt(4x + 1)) dx
integrate 1/(x^2 * sqrt(4x + 1)) dx
Integrate 1/(x^2 * sqrt(4x^2 - 7)) dx from x=2 to 3
(Method 1) Integral of 1/(x*sqrt(x^2-1)) (substitution)
integrate 1/((x-2)(x^2+4)) dx
integrate 1/(sqrt(x+1) + sqrt(x)) dx