√x2+2x+3+log|(x+1)+√x2+2x+3|+c√x2+2x+3−log|(x+1)−√x2+2x+3|+c√x2+2x+3−log|(x+1)+√x2−2x−3|+c√x2−2x−3−log|(x+1)+√x2+2x+3|+c