$7\mathrm{.}8\mathrm{.}48$ Find $\backslash (\backslash$mathbf$\{$V$\}\_\{$o$\}\backslash )$ in the network in Fig. P$7\mathrm{.}8\mathrm{.}48$ using Th$$venin$\text{'}$s theorem.

plz solve Thevenin's theorem and Norton theorem both