1st step you should know that f(x)= P(x)/Q(x) , Q(x)is not equal to zero.
2nd steps you already know that P(x)= x and Q(x)= x-1
3rd steps you should change x-1 equal ax + b to make easier when we solve I
4th steps you write integrate (x/(x-1)) = integrate (x/(ax + b))
5th steps … Read more