Lim2 ^ (n + 1) + 3 ^ (n + 1) / 2 ^ n + 3 ^ n x approaches infinity~
Lim [2 ^ (n + 1) + 3 ^ (n + 1)] / [2 ^ n + 3 ^ n] (n - > infinity)
=LIM (2 / [1 + (3 / 2) ^ n] + 3 / [(2 / 3) ^ n + 1]) (n - > infinity)
=0+3
=3
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