Решите неравенства:
[tex]1) 0,5^{x2-x} \ \textgreater \ \frac{1}{4}
2) 5^{2x} \ \textless \ \frac{1}{25}
[/tex]
[tex]1) 0,5^{x2-x} \ \textgreater \ \frac{1}{4}
2) 5^{2x} \ \textless \ \frac{1}{25}
[/tex]
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Answers & Comments
x² - x - 2 < 0
x1 = 1; x2 = -2
x ∈ ( -1; 2 )
2x < -2
2x+ 2 < 0
2(x+1) < 0
x∈(-∞; -1)