qwerty89
Reputation
348
Next privilege 500 Rep.
Access review queues
3 14
Impact
~14k people reached

• 0 posts edited

### Questions (13)

 20 Asymptotics of $1^n + 2^{n-1} + 3^{n-2} +\cdots + (n-1)^2 + n^1$ 4 Finding the asymptotics of a summation $\sum_{k=1}^{n}\frac{n-k+1}{k}$ 3 How many all prime numbers p with length of bits of p = 1024 bits? 3 How to calculate this limit $\lim\limits_{n\to\infty}\left(\sum\limits_{i=1}^{n}\frac{1}{\sqrt{i}} - 2\sqrt{n}\right)$ 2 Prove that: If $a^k = e$, then $n$ divides $k$

### Reputation (348)

This user has no recent positive reputation changes

 6 How can I prove the inequality $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} \geq \frac{9}{x+y+z}$? 1 Show that $\alpha_1u+\alpha_2v+\alpha_3w=0\Rightarrow\alpha_1=\alpha_2=\alpha_3=0$ 1 Finding $\lim \limits_{x \to 0} \frac{1 - \cos x}{x}$, given $\lim \limits_{x \to 0} \frac{\sin x}{x} = 1$ 0 exponential equation 0 Solving the equation $\sin t = -\sqrt{2}/2$

### Tags (16)

 6 algebra-precalculus × 4 0 group-theory × 5 6 inequality 0 abstract-algebra × 4 1 limits × 2 0 asymptotics × 3 1 linear-algebra 0 generating-functions × 2 1 calculus 0 exponentiation

### Accounts (4)

 Mathematics 348 rep 314 Cryptography 145 rep 4 Stack Overflow 101 rep English Language & Usage 101 rep