Question

$7^{lg(lg5)/lg7}$ - Orice idee este bine-venita.

Answer 1

$\it a^{\dfrac{lg(lgb)}{lga}} = k \Rightarrow lg[a^{\dfrac{lg(lgb)}{lga}}] = lgk \Rightarrow \dfrac{lg(lgb)}{lga}\cdot lga =lg k \Rightarrow$

$\it lg(lgb) =lgk \Rightarrow lgb =k \Rightarrow k = lgb$

Answer 2

㏒ₐx=lgx/lga
7lg(lg5)/lg7=7*log₇lg5