Minta tolong caranya dong yg jago matematika tolong bgt ya bsk dikumpulin smoga dapet pahala banyak hehe aminamin

misal. u = x²+4x
du = 2x+4 dx
= 2 (x+4) dx
dx = du/2(x+2)

= int x+2 / u¼. du/2(x+2)
= int ½ u^ -¼ du
= ½/ ¾ u^¾ + c
= ⅔ u^¾+ c
= ⅔ (x²+4x)^¾+ c