17 Can someone clearly explain about the lim sup and lim inf? 15 Convert from base $10$ to base $5$ 12 Prove that $p\mid \binom{p}{k},\ 0< k< p$ 11 List of interesting integrals for early calculus students 11 Finding the period of $f(x) = \sin 2x + \cos 3x$

### Reputation (4,281)

 +10 Finding the period of $f(x) = \sin 2x + \cos 3x$ +10 Can someone clearly explain about the lim sup and lim inf? +10 How many solutions does $\cos(97x)=x$ have? +10 How many tries to get at least k successes?

### Questions (6)

 4 Index change of variable with product 3 A Boundary crossing result for discrete brownian bridge 3 A difference equation related to RW on Hypercube 2 Coloring edges of a k-ary tree 2 Summability of random series given an expectation condition

### Tags (88)

 67 combinatorics × 29 22 sequences-and-series × 11 49 probability × 42 22 trigonometry × 5 39 calculus × 24 18 probability-theory × 8 38 real-analysis × 8 17 number-theory × 4 29 algebra-precalculus × 12 17 limsup-and-liminf