n²/log2(n)/nlog2²(n) (x→∞)=n/log2³(n) (x→∞)=n×ln³2/ln³n (x→∞)lnn=ln(1+n-1)~n-1∴n×ln³2/ln³n (x→∞)=n×ln³2/(n-1)³ (x→∞)=0
