# user84413

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I teach calculus in CA.

 18 Does having a minimum along all lines imply that the function has a minimum? 14 $\sum_{k=0}^{n/2} {n\choose{2k}}=\sum_{k=1}^{n/2} {n\choose{2k-1}}$, Combinatorial Proof: 10 Arrangement of the words **SUCCESS** in which the consonants appear in alphabetic order 9 Example of a divergent sequence 8 How to prove $(1-\frac1{36})^{25}\lt\frac12$?

# 9,084 Reputation

 +10 Proving convergence of a series. Is my proof correct? +10 Analysis: Prove divergence of sequence $(n!)^{\frac2n}$ +25 simplify expression to find a limit +15 Set up integral in spherical coordinates outside cylinder but inside sphere

# 14 Questions

 12 Showing that $Q_n=D_n+D_{n-1}$ 7 Reference request: Behavior of power series at endpoints 7 Calculating an improper integral as a limit of a sum. 2 Find the values of k for which $\sqrt{1+\frac{k}{n}}$ is irrational. 2 number of patterns of suit distributions in bridge deal

# 157 Tags

 159 calculus × 151 50 linear-algebra × 55 120 combinatorics × 104 38 limits × 31 86 integration × 76 33 inequality × 18 61 real-analysis × 50 30 algebra-precalculus × 26 53 sequences-and-series × 49 28 combinations × 17

# 1 Account

 Mathematics 9,084 rep 727