2)x^2-x√5<0x(x-√5)<0 + - +---(0)----(√5)---->x => x=(0;√5)4) x^2-3>0(x-√3)(x+√3)>0 + - +----(-√3)------(√3)-----> => x=(-беск;-√3)U(√3;+беск)
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2)x^2-x√5<0
x(x-√5)<0
+ - +
---(0)----(√5)---->x => x=(0;√5)
4) x^2-3>0
(x-√3)(x+√3)>0
+ - +
----(-√3)------(√3)-----> => x=(-беск;-√3)U(√3;+беск)