Jean-Claude Arbaut
Reputation
10,785
90/100 score
5 22 53
Impact
~134k people reached

 37 In plain language, what's the significance of a field? 28 How can you derive $\sin(x) = \sin(x+2\pi)$ from the Taylor series for $\sin(x)$? 25 Process to show that $\sqrt 2+\sqrt[3] 3$ is irrational 22 Which polynomials fix the unit circle? 20 Value of $f'(0)$ if $f(x)=\frac{x}{1+\frac{x}{1+\frac{x}{1+\ddots}}}$

### Reputation (10,785)

 +10 Definition of square root symbol - $\sqrt{x^2}=?$ +10 How to arrange functions in increasing order of growth rate , providing f(n)=O(g(n)) +10 Rolling standard deviations +10 Why do some say that $f(x)=\frac{1}{x}$ discontinuous?

### Questions (3)

 22 Scalar product and uniform convergence of polynomials 16 Flaw or not flaw in Excel's RNG? 5 Irreducibility of an infinite sequence of polynomials

### Tags (194)

 112 calculus × 45 62 derivatives × 13 108 algebra-precalculus × 32 58 real-analysis × 21 90 sequences-and-series × 33 57 integration × 20 84 linear-algebra × 30 47 polynomials × 13 76 trigonometry × 32 46 matrices × 21

### Accounts (7)

 Mathematics 10,785 rep 52253 Stack Overflow 155 rep 9 Cross Validated 103 rep 3 MathOverflow 101 rep 2 History of Science and Mathematics 101 rep 1