5xum
Reputation
50,441
394/400 score
3 54 102
Impact
~472k people reached

 103 Why does the Cauchy-Schwarz Inequality even have a name? 71 Must eigenvalues be numbers? 53 When writing proofs, is logical notation a crutch? 51 Six throws, only two distinct numbers: coincidence? 43 Find the value of $\sqrt{10\sqrt{10\sqrt{10…}}}$

### Reputation (50,441)

 +20 Exponential equation problem with no solution? +10 Cantor - No set is equinumerous with its power set. +10 Parallel vectors proof. Is it correct? +15 Cardinality of the product of countably many sets

### Question (1)

 3 Definition of the $\sec$ function

### Tags (377)

 542 linear-algebra × 213 271 matrices × 104 540 calculus × 256 246 soft-question × 29 394 real-analysis × 202 221 functions × 89 334 algebra-precalculus × 120 201 sequences-and-series × 99 294 limits × 114 191 elementary-set-theory × 83

### Accounts (13)

 Mathematics 50,441 rep 354102 Stack Overflow 807 rep 1822 Mathematica 283 rep 25 Science Fiction & Fantasy 218 rep 18 Travel 158 rep 5