May 2021 1 30 Report
disequa grado sup al secondo?

potete risolvere e spiegare queste dis k nn le ho capite perfavore

1- (x-1)³ (alla terza) ⋅ (1-x²) ⋅ (x+1)² > 0

2- (14-3x-5x²) (8x²-21x-9) ≤ 0

SISTEMI SIMMETRICI

1- ⎨xy=8

x² + y² + 3x + 3y = 2

2- ⎨2xy+y²+x²=1

x²+y²=5

3- ⎨x²+y²+xy=5

x+y-xy=3

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