### Questions (28)

 5 How to evaluate: $\lim\limits_{n\to\infty} \frac{1^{p-1}+2^{p-1}+…+n^{p-1}}{n^p}$ 4 If $\{0_v\} \neq T \leq S_1$ and $S_1 \oplus S_2 = S_1 \oplus S_3$, then $T+S_2 = T+S_3$? 3 Let $A$ and $B$ be matrixes. If $BA=B$ and $Rank\space A = Rank\space B$, prove $A^2=A$ 3 How to evaluate $\lim_{n\to\infty} \dfrac{1^p+2^p+…+n^p}{n^p}-\frac{n}{p+1}$? [duplicate] 3 Application of squeeze theorem

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