Rozwiąż nierówność algebraicznie:
(x-2)² >
x≠2
(x-2)²>1/(x-2)/*(x-2)²
(x-2)^4>(x-2)
(x-2)[(x-2)³-1]>0
(x-2)(x-3)[x²-4x+4+(x-2)+1)]>0
(x-2)(x-3)(x²-3x+3)>0
x²-3x+3>0 ( bo Δ<0)
m.z. x=2 v x=3
x∈(-∞;2)u(3;+∞)
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x≠2
(x-2)²>1/(x-2)/*(x-2)²
(x-2)^4>(x-2)
(x-2)[(x-2)³-1]>0
(x-2)(x-3)[x²-4x+4+(x-2)+1)]>0
(x-2)(x-3)(x²-3x+3)>0
x²-3x+3>0 ( bo Δ<0)
m.z. x=2 v x=3
x∈(-∞;2)u(3;+∞)