integral (akar(x^2-4))/(x) dx=... Misalkan: x=2 sec t ->

integral (akar(x^2-4))/(x) dx=... Misalkan: x=2 sec t -> dx=2 sec t tan t d t akar(x^2 - 4)=akar(4 sec^2t-4)=2 tant x t 2 akar(x^2-4) Jadi, tan t = 1/2 akar(x^2-4) dan t = arsec x/2