các phương trình:
a) \( \frac{2x-1}{x-1}+1=\frac{1}{x-1}\);
b) \( \frac{5x}{2x+2}+1=-\frac{6}{x+1}\)
c) x + \( \frac{1}{x}\) = x2 + \( \frac{1}{x^{2}}\);
d) \( \frac{x+3}{x+1}+\frac{x-2}{x}\) = 2.
Copyright © 2021 HOCTAP247