integral ( in x ) dx

Integral Parsial.
Kelompok wajib kelas XI kurikulum 2013 revisi 2016.

∫ u dv = uv - ∫ v du 
u = ㏑ x → du = 1/x dx
dv = 1 dx → v = ∫ 1 dx = x
∫ ㏑ x dx = x ㏑ x - ∫ x (1/x) dx
              = x ㏑ x - ∫ 1 dx
              = x ㏑ x - x + C