User Paul Manta - Mathematics Stack Exchange

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	1,219 reputation	bio	website		visits	member for	2 years, 1 month
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Project Euler, Problem #25

sep 6 '11 at 10:02 Paul Manta 1,219

4

16

votes

3

answers

660

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Result of the product $0.9 \times 0.99 \times 0.999 \times …$

sequences-and-series products

apr 13 at 13:15 J. M. 38.9k

1

10

votes

3

answers

459

views

What was the notation for functions before Euler?

functions notation math-history

nov 9 '11 at 17:58 Michael Boratko 2,924

8

votes

3

answers

346

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How to prove $a^2 + b^2 + c^2 \ge ab + bc + ca$?

algebra-precalculus inequality

sep 15 '11 at 20:40 Eric♦ 33.2k

2

7

votes

9

answers

405

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Limit of this series…?

homework sequences-and-series limit

jul 19 '11 at 20:14 Jacob 1,358

2

7

votes

5

answers

543

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Trick for roots of symmetric polynomials

calculus polynomials

may 26 '11 at 16:33 Eric♦ 33.2k

6

votes

3

answers

313

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How to find the limit of a sum of reciprocals

calculus limit

jan 16 at 2:18 Gerry Myerson 85.8k

2

6

votes

4

answers

253

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Problem: Sum of absolute values of polynomial roots

homework calculus polynomials

jun 16 '11 at 14:32 Paul Manta 1,219

6

votes

4

answers

222

views

Proving $f$ is not surjective

real-analysis

jun 4 '11 at 23:14 Pete L. Clark 44.5k

6

votes

2

answers

337

views

How can I can solve integrals of rational functions of polynomials in $x$?

calculus integral

apr 10 '11 at 21:32 Billare 993

5

votes

2

answers

214

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Understanding the line integral

calculus integral

dec 28 '11 at 21:22 Vladimir Sotirov 2,412

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5

votes

3

answers

2

kviews

How to find roots of $X^5 - 1$?

abstract-algebra algebra-precalculus trigonometry polynomials roots

dec 27 '11 at 22:06 Srivatsan 15.6k

5

votes

1

answer

129

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Continuity: Does this need to be proven?

calculus functions

may 29 '11 at 18:16 Pete L. Clark 44.5k

5

votes

4

answers

330

views

Proof that this limit equals $e^a$

calculus limit

apr 27 '11 at 20:33 zar 1,059

4

votes

2

answers

153

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I need help understanding the following limit : $\lim_{x\to \infty} \left(\frac{f(x+1)}{f(x)}\right)^x$

calculus limit

feb 19 at 9:32 Arjang 2,437

1

4

votes

4

answers

493

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Are there any other numbers like $0.999\ldots$?

elementary-number-theory decimal-expansion

nov 30 '11 at 18:29 Srivatsan 15.6k

1

4

votes

4

answers

290

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How can the following be calculated?

homework calculus

sep 18 '11 at 19:54 anon 39.8k

4

votes

4

answers

460

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Finding double root. An easier way?

calculus polynomials

may 11 '11 at 17:38 Aaron 6,642

4

votes

2

answers

241

views

Solving integral $\int \frac{\sqrt{1 - x^2} - 1}{x^2 - 1}dx$

calculus integral trigonometry

apr 11 '11 at 19:51 Ross Millikan 83.3k

3

votes

3

answers

323

views

Must probability density be continuous?

probability

may 27 '12 at 18:17 Nate Eldredge 22.4k

3

votes

1

answer

147

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Derivative over variable vs. partial derivative over variable

calculus derivatives

jan 16 '12 at 20:46 Samuel Reid 1,819

3

votes

4

answers

188

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How to think about derivatives in an abstract fashion?

calculus integral intuition

dec 15 '11 at 3:48 tomcuchta 1,650

3

votes

2

answers

131

views

Algorithm for computing powers

algorithms powers

dec 1 '11 at 17:05 ratchet freak 802

2

3

votes

1

answer

848

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Integral of floor function

calculus integral

apr 18 '11 at 2:41 Thomas Andrews 29.7k

2

votes

2

answers

58

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A mathematical model for rotations of a die

group-theory rotations

may 12 at 19:26 newzad 610

1

2

votes

1

answer

117

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Understanding Laplace Transforms

intuition laplace-transform

jan 29 at 16:51 Harald Hanche-Olsen 10.5k

2

votes

4

answers

225

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What is the purpose of random variable functions within probability theory?

probability-theory

may 6 '12 at 18:38 Christian Blatter 32.4k

2

votes

4

answers

324

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How to solve $\int_0^\pi{\frac{\cos{nx}}{5 + 4\cos{x}}}dx$?

homework calculus integral

mar 29 '12 at 13:37 robjohn♦ 59.4k

2

votes

3

answers

242

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How to normalize this circle equation?

algebra-precalculus circle

jan 23 '12 at 2:35 Matthew Conroy 3,830

2

votes

1

answer

63

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How to turn this sum to a product?

trigonometry

jan 21 '12 at 22:02 Isaac 21.1k

Paul Manta

67 Questions