નીચે આપેલા સમીકરણનો ઉકેલ શોધો:\(\left[\left(\frac{7}{6}\right)^{-9}\times \left(\frac{6}{7}\right)^{-5}\times \left(\frac{1}{8}\right)^{-4}\right]^{-5}\)
1
\(\left(\frac{9}{48}\right)^{19}\)
2
\(\left(\frac{7}{48}\right)^{20}\)
3
\(\left(\frac{48}{7}\right)^{20}\)
4
\(\left(\frac{7}{58}\right)^{20}\)