tolong kerjakan soal integral

misal u = sin 2x
du/dx = 2 cos 2x
dx = du / 2 cos x

u^5 cos 2x (du/2 cos 2x)
u^5 (1/2)du
(1/2) u^5 du
(1/2)(1/(5+1)) u^(5+1) + C
(1/2)(1/6) u^6 + C
(1/12) u^6 + C
(1/12) sin^6 2x + C