una solucion de 1/x+1/x-1=8/3

Respuestas

Respuesta dada por: frlgtr9000
1
1/(x+1/x-1) = 8/3
(x-1)/(x+1) = 8/3
3(x-1) = 8(x+1)
3x - 3 = 8x + 8
-5x = 11
x= 11/-5 = -(11/5)

frlgtr9000: -2 1/5 ó -2.2
Respuesta dada por: charls1
1
1/x + 1/(x-1) = 8/3

(x-1+x) / x(x-1) = 8/3

(2x - 1) / x(x-1) = 8/3

3(2x-1) = 8x(x-1)

6x - 3 = 8x² - 8x

8x² - 14x + 3 = 0

(4x - 1)(2x - 3) = 0

x = 1/4 ó x = 3/2
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