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23 Questions

views newest activity votes

3

14

votes

2

answers

303

views

$\lim_{a \to 0^{+}} \int_{0}^{a} \frac{1}{\sqrt{\cos(x)-\cos(a)}} \;dx=\frac{\pi}{\sqrt{2}}$

calculus integral limit

feb 26 at 20:19 Arjang 2,437

2

9

votes

2

answers

1

kviews

integral with exponential function and logarithm

integral

jan 28 '12 at 1:06 robjohn♦ 59.7k

3

6

votes

1

answer

368

views

Limit using Poisson distribution

real-analysis probability-distributions

mar 22 '12 at 15:44 Willie Wong♦ 30.7k

1

5

votes

2

answers

307

views

Equality with Euler–Mascheroni constant

calculus power-series eulers-constant

jul 25 at 23:56 Argon 9,258

4

votes

1

answer

250

views

Divisor summatory function for squares

number-theory computational-complexity analytic-number-theory

may 5 at 20:37 Eric 33.3k

4

votes

4

answers

1

kviews

equilateral triangle with integer coordinates

geometry elementary-number-theory

jan 1 at 19:26 Tom Guo 21

3

votes

1

answer

56

views

Expected number of different colors

probability

feb 28 at 20:50 Sasha 41.4k

3

votes

1

answer

96

views

Convergence complex integral

complex-analysis integral

sep 13 at 16:43 Fabian 10.7k

3

votes

1

answer

344

views

Limit for gamma function

analysis special-functions gamma-function

apr 27 '12 at 3:15 Peter Tamaroff 25.8k

3

votes

1

answer

440

views

dice problem - throws necessary for sum multiple of n

probability dice

mar 28 '12 at 0:58 Matthew Conroy 3,840

1

3

votes

4

answers

302

views

probability 2 coins in last box

probability combinatorics

jan 25 '12 at 8:56 David Moews 10.2k

2

votes

2

answers

141

views

Permutation problem scheduling games

combinatorics permutations

jul 13 at 0:12 wnvl 1,453

2

votes

2

answers

146

views

sum squared möbius function

number-theory

may 4 '12 at 18:06 Eric 33.3k

1

2

votes

0

answers

358

views

Counting couples having least common multiple less than a number

number-theory algorithms project-euler

apr 17 '12 at 20:32 wnvl 1,453

2

votes

1

answer

165

views

dice problem - numerical approximation

probability numerical-methods

feb 4 '12 at 15:40 Byron Schmuland 15.4k

1

2

votes

1

answer

205

views

integral resulting in Bessel function

integral

jan 20 '12 at 3:07 Sasha 41.4k

1

vote

2

answers

80

views

Predicting distribution based on drawings

probability statistics

nov 28 at 5:12 Dougal 248

1

vote

1

answer

77

views

Cardinality natural numbers

cardinals natural-numbers

nov 12 at 15:55 Cameron Buie 27.6k

1

1

vote

2

answers

220

views

Primitive squareful Fibonacci numbers

number-theory fibonacci-numbers

oct 23 at 15:49 Salahuddin 91

1

vote

2

answers

89

views

transform flat surface into paraboloid

differential-geometry differential-topology surfaces

aug 10 at 1:45 J. M. 38.9k

1

vote

0

answers

114

views

diophantine equation with squares over 3 variables

number-theory diophantine-equations

jun 25 '12 at 17:42 wnvl 1,453

1

vote

0

answers

39

views

Goniometric simplification [duplicate]

sequences-and-series trigonometry

may 14 '12 at 21:44 Kirthi Raman 5,444

0

votes

1

answer

103

views

Solving probability problem using differential equation

probability differential-equations

sep 18 at 21:26 Did 103k

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