tentukan integral dari √(5x+2) dx

∫ √(5x + 2) dx
= ∫ (5x + 2)^(1/2) dx

Misal :
u = (5x + 2)
du = 5 dx
dx = du/5

∫ u^(1/2) du/5
= ∫ (1/5) u^(1/2) du
= (1/5)/(3/2) u^(3/2) + C
= (1/5). (2/3)u√u + C
= 2/15 (5x + 2) √(5x + 2) + C