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(2/(25x^2-10x-8)+(25x^2-10x-8)/2)^2>4

(2/(25x^2-10x-8)+(25x^2-10x-8)/2)^2>4 desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
                                     2    
/                       2           \     
|       2           25*x  - 10*x - 8|     
|---------------- + ----------------|  > 4
|    2                     2        |     
\25*x  - 10*x - 8                   /     
$$\left(\frac{\left(25 x^{2} - 10 x\right) - 8}{2} + \frac{2}{\left(25 x^{2} - 10 x\right) - 8}\right)^{2} > 4$$
((25*x^2 - 10*x - 8)/2 + 2/(25*x^2 - 10*x - 8))^2 > 4
Solución de la desigualdad en el gráfico
Respuesta rápida [src]
  /   /                    ___\     /                   ____\     /                ____    \     /               ___    \     /              ____    \     /          ___        ___    \            ____\
  |   |              1   \/ 7 |     |             1   \/ 11 |     |          1   \/ 11     |     |         1   \/ 7     |     |        1   \/ 11     |     |    1   \/ 7   1   \/ 7     |      1   \/ 11 |
Or|And|-2/5 < x, x < - - -----|, And|4/5 < x, x < - + ------|, And|x < -2/5, - - ------ < x|, And|x < 4/5, - + ----- < x|, And|x < oo, - + ------ < x|, And|x < - + -----, - - ----- < x|, x < - - ------|
  \   \              5     5  /     \             5     5   /     \          5     5       /     \         5     5      /     \        5     5       /     \    5     5    5     5      /      5     5   /
$$\left(- \frac{2}{5} < x \wedge x < \frac{1}{5} - \frac{\sqrt{7}}{5}\right) \vee \left(\frac{4}{5} < x \wedge x < \frac{1}{5} + \frac{\sqrt{11}}{5}\right) \vee \left(x < - \frac{2}{5} \wedge \frac{1}{5} - \frac{\sqrt{11}}{5} < x\right) \vee \left(x < \frac{4}{5} \wedge \frac{1}{5} + \frac{\sqrt{7}}{5} < x\right) \vee \left(x < \infty \wedge \frac{1}{5} + \frac{\sqrt{11}}{5} < x\right) \vee \left(x < \frac{1}{5} + \frac{\sqrt{7}}{5} \wedge \frac{1}{5} - \frac{\sqrt{7}}{5} < x\right) \vee x < \frac{1}{5} - \frac{\sqrt{11}}{5}$$
(x < 1/5 - sqrt(11)/5)∨((-2/5 < x)∧(x < 1/5 - sqrt(7)/5))∨((4/5 < x)∧(x < 1/5 + sqrt(11)/5))∨((x < -2/5)∧(1/5 - sqrt(11)/5 < x))∨((x < 4/5)∧(1/5 + sqrt(7)/5 < x))∨((x < oo)∧(1/5 + sqrt(11)/5 < x))∨((x < 1/5 + sqrt(7)/5)∧(1/5 - sqrt(7)/5 < x))
Respuesta rápida 2 [src]
            ____           ____                       ___           ___        ___           ___                     ____           ____     
      1   \/ 11      1   \/ 11                  1   \/ 7      1   \/ 7   1   \/ 7      1   \/ 7                1   \/ 11      1   \/ 11      
(-oo, - - ------) U (- - ------, -2/5) U (-2/5, - - -----) U (- - -----, - + -----) U (- + -----, 4/5) U (4/5, - + ------) U (- + ------, oo)
      5     5        5     5                    5     5       5     5    5     5       5     5                 5     5        5     5        
$$x\ in\ \left(-\infty, \frac{1}{5} - \frac{\sqrt{11}}{5}\right) \cup \left(\frac{1}{5} - \frac{\sqrt{11}}{5}, - \frac{2}{5}\right) \cup \left(- \frac{2}{5}, \frac{1}{5} - \frac{\sqrt{7}}{5}\right) \cup \left(\frac{1}{5} - \frac{\sqrt{7}}{5}, \frac{1}{5} + \frac{\sqrt{7}}{5}\right) \cup \left(\frac{1}{5} + \frac{\sqrt{7}}{5}, \frac{4}{5}\right) \cup \left(\frac{4}{5}, \frac{1}{5} + \frac{\sqrt{11}}{5}\right) \cup \left(\frac{1}{5} + \frac{\sqrt{11}}{5}, \infty\right)$$
x in Union(Interval.open(-oo, 1/5 - sqrt(11)/5), Interval.open(-2/5, 1/5 - sqrt(7)/5), Interval.open(4/5, 1/5 + sqrt(11)/5), Interval.open(1/5 - sqrt(11)/5, -2/5), Interval.open(1/5 + sqrt(11)/5, oo), Interval.open(1/5 - sqrt(7)/5, 1/5 + sqrt(7)/5), Interval.open(1/5 + sqrt(7)/5, 4/5))
Gráfico
(2/(25x^2-10x-8)+(25x^2-10x-8)/2)^2>4 desigualdades