### Answers (19)

 2 Find the first 5 coefficients of the series $\frac{6x}{x+9} = \sum_{n=0}^\infty C_n x^n$ 1 How to prove the convergence of the sequence? 1 type of discontinuity 1 Prove That $f(x)>f(y)+f'(y)(x-y)$ if $f''(x)>0$ For All $x$ 1 Simplifying a logical compound statement

### Reputation (441)

This user has no recent positive reputation changes

### Questions (11)

 10 Does the sequence $\sin(n!\pi^2)$ converge or diverge? 7 Convergent subsequence of $\sin(n)$ 5 Are there any proofs for (ir)rationality of the numbers $\sin(e)$, $\cos(e)$? 4 Divergence of the sequence $\sin(n!)$ 2 Divergence-Convergence of the sequence $\sin(n!{\pi}\theta)$

### Tags (24)

 5 calculus × 10 1 real-analysis × 3 3 convergence × 2 1 multivariable-calculus × 2 2 sequences-and-series × 5 1 derivatives × 2 2 logic × 2 1 geometry × 2 2 power-series 1 elementary-number-theory

### Accounts (5)

 Mathematics 441 rep 312 TeX - LaTeX 118 rep 3 MathOverflow 101 rep 1 Academia 101 rep 1 History of Science and Mathematics 101 rep 1

### Badges (14)

 Constituent Curious Caucus Scholar Editor Autobiographer Yearling × 2 Commentator Informed Critic

### Active bounties (0)

This user has no active bounties

### Votes cast (3)

all time   by type
2 up 1 question
1 down 2 answer