1.

Solve1/x+1/x+1-2/x-1=0​

Answer»

Step-by-step EXPLANATION:

\frac{1}{x} + \frac{1}{x + 1} - \frac{2}{x - 1} = 0

⇒\frac{(x - 1)^{2} + x(x - 1) - 2x(x - 1)}{x(x - 1)^{2} } = 0

⇒{x}^{2} + 1 - 2x + {x}^{2} - x - {2x}^{2} + 2 = 0

⇒- 3x + 3 = 0

⇒- 3x = - 3

⇒x = \frac{3}{3} = 1

⇒x = 1


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