T
tienqm123


giải PT:
$\dfrac{(x-2)^2}{(x+1)^2} + \dfrac{(x+2)^2}{(x-1)^2} – \dfrac{11 (x^2-4)}{(X^2-1)}$ = 0
$\dfrac{(x-2)^2}{(x+1)^2} + \dfrac{(x+2)^2}{(x-1)^2} – \dfrac{11 (x^2-4)}{(X^2-1)}$ = 0
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