plzz provide answer for 1,2,3

$$\begin{gathered} \mathrm{Q}1. 3 {\log }_{\mathrm{x}}^4 + 2{\log }_{4\mathrm{x}}^4 + 3 {\mathrm{long}}_{16\mathrm{x}}^4 =0 \\ \mathrm{Q}2. {\log }_{10} \sqrt{\log {\mathrm{x}}_{10}} ={\log }_{{\mathrm{x}}^2}^{\mathrm{x}} \\ \mathrm{Q}3. 7 {\log }_{10}^{\mathrm{x}}=98-\mathrm{x} {\log }_{10}^7 \end{gathered}$$