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[tex] \frac{2 - y}{y {2}^{ - } 9} + \frac{5 - 2y}{y - 3} [/tex]
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[tex] \frac{2 - y}{y {2}^{ - } 9} + \frac{5 - 2y}{y - 3} [/tex]
срооочноо соооор 30 баллов
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2-y/y²-9 +5-2y/y-3 = 2-y+(y+3)(5-2y)/(y-3)(y+3) = 2-y+5y-2y²+15-6y/y²-9 = 17-2y-2y²/y²-9 = -2y²-2y+17/y²-9