1/[2(x+1)]-2/(1+x)*(1-x) = x/ (2*1-x)^2
C.E. X≠±1
Potreste aiutarmi
1/[2(x+1)]-2/(1+x)*(1-x) = x/ (2*1-x)^2
C.E. X≠±1
Potreste aiutarmi
1/(2·(x + 1)) + 2/((x + 1)·(x - 1)) = x/(2·(x - 1)^2)
2·(x + 1)·(x - 1)^2 ≠ 0----> x ≠ -1 ∧ x ≠ 1
(x - 1)^2 + 4·(x - 1) = x·(x + 1)
(x^2 - 2·x + 1) + (4·x - 4) = x^2 + x
x^2 + 2·x - 3 = x^2 + x
x = 3 accettabile