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(7/3)^((x^2+3*x-1)/x+2)>=2/3*(7/2)^(x+1-(3/x+2)) desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
    2                                 3    
   x  + 3*x - 1             x + 1 + - - - 2
   ------------ + 2                   x    
        x              2*7/2               
7/3                 >= --------------------
                                3          
$$\left(\frac{7}{3}\right)^{2 + \frac{\left(x^{2} + 3 x\right) - 1}{x}} \geq \frac{2 \left(\frac{7}{2}\right)^{\left(-2 - \frac{3}{x}\right) + \left(x + 1\right)}}{3}$$
(7/3)^(2 + (x^2 + 3*x - 1)/x) >= 2*(7/2)^(-2 - 3/x + x + 1)/3
Respuesta rápida [src]
  /   /                                        ________________________________________________________________________         \     /        ________________________________________________________________________                                       \\
  |   |                                       /      2           2           2                                                  |     |       /      2           2           2                                                                                ||
  |   |     -3*log(7) + 2*log(3) + log(2)   \/  4*log (2) + 5*log (3) + 9*log (7) - 10*log(3)*log(7) - 8*log(2)*log(7)          |     |     \/  4*log (2) + 5*log (3) + 9*log (7) - 10*log(3)*log(7) - 8*log(2)*log(7)    -3*log(7) + 2*log(3) + log(2)       ||
Or|And|x <= ----------------------------- - ---------------------------------------------------------------------------, -oo < x|, And|x <= --------------------------------------------------------------------------- + -----------------------------, 0 < x||
  \   \            -log(3) + log(2)                                       -log(2) + log(3)                                      /     \                                   -log(2) + log(3)                                       -log(3) + log(2)             //
$$\left(x \leq - \frac{\sqrt{- 10 \log{\left(3 \right)} \log{\left(7 \right)} - 8 \log{\left(2 \right)} \log{\left(7 \right)} + 4 \log{\left(2 \right)}^{2} + 5 \log{\left(3 \right)}^{2} + 9 \log{\left(7 \right)}^{2}}}{- \log{\left(2 \right)} + \log{\left(3 \right)}} + \frac{- 3 \log{\left(7 \right)} + \log{\left(2 \right)} + 2 \log{\left(3 \right)}}{- \log{\left(3 \right)} + \log{\left(2 \right)}} \wedge -\infty < x\right) \vee \left(x \leq \frac{- 3 \log{\left(7 \right)} + \log{\left(2 \right)} + 2 \log{\left(3 \right)}}{- \log{\left(3 \right)} + \log{\left(2 \right)}} + \frac{\sqrt{- 10 \log{\left(3 \right)} \log{\left(7 \right)} - 8 \log{\left(2 \right)} \log{\left(7 \right)} + 4 \log{\left(2 \right)}^{2} + 5 \log{\left(3 \right)}^{2} + 9 \log{\left(7 \right)}^{2}}}{- \log{\left(2 \right)} + \log{\left(3 \right)}} \wedge 0 < x\right)$$
((0 < x)∧(x <= sqrt(4*log(2)^2 + 5*log(3)^2 + 9*log(7)^2 - 10*log(3)*log(7) - 8*log(2)*log(7))/(-log(2) + log(3)) + (-3*log(7) + 2*log(3) + log(2))/(-log(3) + log(2))))∨((-oo < x)∧(x <= (-3*log(7) + 2*log(3) + log(2))/(-log(3) + log(2)) - sqrt(4*log(2)^2 + 5*log(3)^2 + 9*log(7)^2 - 10*log(3)*log(7) - 8*log(2)*log(7))/(-log(2) + log(3))))
Respuesta rápida 2 [src]
         ________________________________________________________________________                                                                           ________________________________________________________________________ 
        /      2           2           2                                                                                                                   /      2           2           2                                          
      \/  4*log (2) + 5*log (3) + 9*log (7) - 10*log(3)*log(7) - 8*log(2)*log(7)    -3*log(7) + 2*log(3) + log(2)        -3*log(7) + 2*log(3) + log(2)   \/  4*log (2) + 5*log (3) + 9*log (7) - 10*log(3)*log(7) - 8*log(2)*log(7)  
(-oo, --------------------------------------------------------------------------- + -----------------------------] U (0, ----------------------------- - ---------------------------------------------------------------------------]
                                    -log(3) + log(2)                                       -log(3) + log(2)                     -log(3) + log(2)                                       -log(3) + log(2)                              
$$x\ in\ \left(-\infty, \frac{\sqrt{- 10 \log{\left(3 \right)} \log{\left(7 \right)} - 8 \log{\left(2 \right)} \log{\left(7 \right)} + 4 \log{\left(2 \right)}^{2} + 5 \log{\left(3 \right)}^{2} + 9 \log{\left(7 \right)}^{2}}}{- \log{\left(3 \right)} + \log{\left(2 \right)}} + \frac{- 3 \log{\left(7 \right)} + \log{\left(2 \right)} + 2 \log{\left(3 \right)}}{- \log{\left(3 \right)} + \log{\left(2 \right)}}\right] \cup \left(0, \frac{- 3 \log{\left(7 \right)} + \log{\left(2 \right)} + 2 \log{\left(3 \right)}}{- \log{\left(3 \right)} + \log{\left(2 \right)}} - \frac{\sqrt{- 10 \log{\left(3 \right)} \log{\left(7 \right)} - 8 \log{\left(2 \right)} \log{\left(7 \right)} + 4 \log{\left(2 \right)}^{2} + 5 \log{\left(3 \right)}^{2} + 9 \log{\left(7 \right)}^{2}}}{- \log{\left(3 \right)} + \log{\left(2 \right)}}\right]$$
x in Union(Interval(-oo, sqrt(-10*log(3)*log(7) - 8*log(2)*log(7) + 4*log(2)^2 + 5*log(3)^2 + 9*log(7)^2)/(-log(3) + log(2)) + (-3*log(7) + log(2) + 2*log(3))/(-log(3) + log(2))), Interval.Lopen(0, (-3*log(7) + log(2) + 2*log(3))/(-log(3) + log(2)) - sqrt(-10*log(3)*log(7) - 8*log(2)*log(7) + 4*log(2)^2 + 5*log(3)^2 + 9*log(7)^2)/(-log(3) + log(2))))