Dat Do edited beginproblem_a_You_a.tex  about 10 years ago

Commit id: 6637f1978fc4da04215b4553bf3555b60196bc15

deletions | additions      

       

\\  (d) First, we will find the lower bound for $W(n) = 2^{n+1}-n-2$  \\  $2^{n+1}-n >= \geq  2^n-(2^n)/2$ which is true for $n > 2$ \\*