Integral 3 (3x+5) pangkat 4 dx

Integral 3 (3x+5) pangkat 4 dx

Misalin aja
u = 3x+5

trus ruas kiri kanan diturunin
du = 3 dx
dx = du/3

substitusi deh
$y = ∫ 3.(u)^{4}.dx \y = ∫3{u}^{4} (frac{du}{3} ) \y = ∫{u}^4.du \ y= frac{ {u}^{5} }{5} + c$
semoga membantu 🙂