Ta có: \(\left(\left(\frac{2}{3}\right)^x\right)^3=\left(\frac{3}{2}\right)^3\)
=> \(\left(\frac{2}{3}\right)^x=\frac{3}{2}\)
=> \(\left(\frac{2}{3}\right)^x=\left(\frac{2}{3}\right)^{-1}\)
=> x = -1
\(\left(\frac{2}{3}^x\right)^3=\frac{27}{8}\)
\(\left(\frac{2}{3}^x\right)^3=\left(\frac{3}{2}\right)^3\)
=> \(\frac{2}{3}^x=\frac{3}{2}\)
\(\frac{2}{3}^x=\frac{2}{3}^{-1}\)
=> \(x=-1\)