Question

como resolvo 1/ x-1 + 2x/ x^2-1

Answer 1

$\frac{1}{x-1} + \frac{2x}{x^{2}-1 }}\\ x^{2}-1 =(x+1).(x-1)\\ MMC(x-1,x^{2}-1 )$

$\frac{(x+1)+2x}{(x+1).(x-1)}$

$=\frac{3x+1}{(x^2-1)}$