Integration of (1+x)/(1-x)?

Question: What is integration of (1+x)(1-x) Please show full working Best Answers: Answer by gudspeling(1+x)/(1-x) = (-1+x+2)/(1-x) = -1 + 2/(1-x) ∫(1+x)/(1-x) dx = ∫(-1 + 2/(1-x))dx = -x – 2ln|1-x| + c Answer by GeezahOne way to do this is to split up the fraction, then use integration by parts: ∫ (1+x)/(1-x) dx = […] PR News Crimovies