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X x1. X+2/X+1-Х+1/X+3. X 2 2x 1 решение. Х^2+X^2/(X+1)^2=3. X:(-2) . 2*X - 1 неравенство.
X+2/X+1-Х+1/X+3. X 2 2x 1 решение. Х^2+X^2/(X+1)^2=3. X:(-2) . 2*X - 1 неравенство.