Question

Sa se rezolve in C ecuatia urmatoare :
$\left[\begin{array}{ccc} 2^{x} &1&\\3& 2^{x} \\&&\end{array}\right] = 5$

Answer 1

$2^{x} 2^{x}-1*3=5,deci,2^{2x}=8,obtinem,2x=3,sau,x=3/2$