Số nghiệm nguyên của bất phương trình \({4^x} - {5.2^x} + 4 < 0\) là:

\(S = \left( {1; + \infty } \right).\)

\(S = \left( { - 1; + \infty } \right).\)

\(S = \left( { - 2; + \infty } \right).\)    

\(S = \left( { - \infty ; - 2} \right).\)

$R$

\(\left( { - \infty ;1} \right)\)

\(\left( {1; + \infty } \right)\) 

\(\emptyset \)

$\left( {2;3} \right)$                                   

$\left( {1;2} \right)$                            

$\left\{ 3 \right\}$                        

$\left\{ {\dfrac{1}{3}} \right\}$

\(x <  - \ln 2\) hoặc $x > \ln 2$           

\( - \ln 2 < x < \ln 2\)

\(x < \dfrac{1}{2}\) hoặc \(x > 2\)     

\(\dfrac{1}{2} < x < 2\)

$\left[ {1; + \infty } \right)$

$( - \infty ;1]$

\(\left( { - \infty ;\dfrac{{10}}{3}} \right)\)

$\left( {\dfrac{{10}}{3}; + \infty } \right)$  

\(\left( { - \infty ; - 1} \right]\).

\(\left[ { - 1; + \infty } \right)\).

\(\left( { - \infty ; - 1} \right)\).

\(\left( { - 1; + \infty } \right)\).

\((0, + \infty )\)

\(( - \infty , + \infty )\)

\((2, + \infty )\)           

\(( - \infty ,0)\)