Which is the correct partial fraction decomposition of 5x−1x2−1\frac{5x - 1}{x^2 - 1}x2−15x−1?
1x−1+4x+1\frac{1}{x-1} + \frac{4}{x+1}x−11+x+14
5x−1−1x+1\frac{5}{x-1} - \frac{1}{x+1}x−15−x+11
2x−1+3x+1\frac{2}{x-1} + \frac{3}{x+1}x−12+x+13
3x−1+2x+1\frac{3}{x-1} + \frac{2}{x+1}x−13+x+12