

Let I = ∫log(xx )dx
=> I = ∫x*logx dx
=> I = (x2 *logx)/2 - ∫{(1/x)*x2 /2}dx
=> I = (x2 *logx)/2 - ∫{x/2}dx
=> I = (x2 *logx)/2 - (1/2)*∫xdx
=> I = (x2 *logx)/2 - (1/2)*(x2 /2) + C
=> I = (x2 *logx)/2 - x2 /4 + C
So, ∫log(xx )dx = (x2 *logx)/2 - x2 /4 + C
