Найти пределы функций:
1) lim x->1
[tex] \frac{ {x}^{4} - 1 }{2 ln(x) } [/tex]
2) lim x-> 0
[tex] \frac{xtgx}{ \sin(3x) } [/tex]
3) lim x-> ∞
[tex] \frac{ {x}^{3} - 2 {x}^{2} - 1 }{( {x}^{2} - 1)(x + 1) } [/tex]
4) lim x -> ∞
[tex] \frac{ {x}^{3} + x - 2 }{ {x}^{4} - 2x + 3 } [/tex]
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