hasil dari integral ∫4/√2x+1 dx adalah

dianggap gini.....
int = 4/√(2x + 1) dx
u = 2x + 1
du = 2 dx
dx = (1/2) du
= int 4(1/2)(1/√u) du
= 2 int u^-(1/2) du
= 4u^(1/2) + c
= 4√(2x + 1) + c