решите неравенство:
[tex] (\frac{ \sqrt{15}+ \sqrt{17} }{8}-1)(4x-13) \ \textless \ 0[/tex]
[tex] (\frac{ \sqrt{15}+ \sqrt{17} }{8}-1)(4x-13) \ \textless \ 0[/tex]
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Answers & Comments
√15 ≈ 3,87;
√17 ≈ = 4,12;
3,87 + 4,12 ≈ 7,995
7,99 / 8 ≈ 0,999
[(√15 + √17) / 8 - 1] < 0
4x - 13 > 0
4x > 13
x > 3,25
x ∈ (3,25 ; + ∞)