Вот решение:
5\6X + X^2 - 10\27 - 4\9X > 0
X^2 - 7\18X - 10\27 > 0
D = 49\324 - 4*1*(-10\27) = 49\324 + 40\27 = 49\324 + 480\324 = 529\324
V D = 23\18
x1 = 7\18 + 23\18 \ 2 = 30\18 \ 2 = 30\36 = 15\18
x2 = 7\18 - 23\18 \ 2 = - 16\18 \ 2 = - 16\36 = - 8\18 = - 4\9
V - это корень
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Вот решение:
5\6X + X^2 - 10\27 - 4\9X > 0
X^2 - 7\18X - 10\27 > 0
D = 49\324 - 4*1*(-10\27) = 49\324 + 40\27 = 49\324 + 480\324 = 529\324
V D = 23\18
x1 = 7\18 + 23\18 \ 2 = 30\18 \ 2 = 30\36 = 15\18
x2 = 7\18 - 23\18 \ 2 = - 16\18 \ 2 = - 16\36 = - 8\18 = - 4\9
V - это корень