User Papa

5 votes

1 answer

290 views

What is the domain of the function $f(x)=\sqrt[3]{x^3-x}$?

asked Apr 14, 2019 at 9:36

2 votes

4 answers

75 views

Square root of 6 proof rationality

asked Nov 15, 2018 at 1:12

2 votes

3 answers

64 views

which probability distribution is this when we toss a dice and assign a number based on result? [closed]

asked Feb 22, 2022 at 7:47

2 votes

1 answer

2k views

a^m b^n c^n prove it's not regular/pumping lemma

asked Mar 5, 2022 at 9:48

2 votes

0 answers

36 views

constructing grammar for 101(1+0)*

asked Mar 6, 2022 at 20:53

2 votes

1 answer

69 views

determine $f_Y$ given $f_X$, cdf then pdf or inverse function?

asked Dec 8, 2022 at 0:20

1 vote

1 answer

49 views

deriving pdf with two methods, with two different results

asked Dec 8, 2022 at 14:20

1 vote

1 answer

39 views

Unif affine function for RV U Unif distributed

asked Nov 30, 2022 at 18:09

1 vote

2 answers

64 views

Constructing grammar for $a^ib^j$ / $i\neq j$

asked Mar 6, 2022 at 21:38

1 vote

1 answer

502 views

intersection of two regular expressions [closed]

asked Feb 28, 2022 at 3:30

1 vote

1 answer

144 views

DFA conversion through state elimination and arden's method

asked Mar 3, 2022 at 9:22

1 vote

2 answers

2k views

An equivalence of $(X-a)(X-b)>0$ when $a<b$

asked May 9, 2019 at 21:05

1 vote

1 answer

85 views

Is $a \mapsto 2a$ bijective? [closed]

asked Sep 12, 2020 at 19:01

1 vote

0 answers

35 views

combination vs permutation. Order Vs no order matters

asked Sep 14, 2020 at 4:19

1 vote

2 answers

430 views

Triangle inequality proof by cases

asked Sep 12, 2018 at 15:34

1 vote

2 answers

74 views

Closed form solution for logarithmic inequality

asked Sep 13, 2018 at 15:30

0 votes

1 answer

47 views

How to approach such problems

asked Oct 19, 2018 at 17:13

0 votes

1 answer

40 views

Quantifiers and variable link

asked Nov 5, 2018 at 16:38

0 votes

2 answers

29 views

Two unknowns equation multiplied

asked Nov 13, 2018 at 9:49

0 votes

1 answer

42 views

Difference between mentioning existential quantifier and not

asked Nov 13, 2018 at 14:56

0 votes

2 answers

128 views

Determining 0+ vs 0- inside a square root function

asked Apr 17, 2019 at 17:36

0 votes

2 answers

43 views

Complex number z: |z| = 1 => z* = 1/z proof

asked Apr 28, 2019 at 19:49

0 votes

2 answers

60 views

A complex number is real proof

asked Apr 29, 2019 at 0:47

0 votes

2 answers

73 views

Second degree equation solutions involving and / Or

asked May 3, 2019 at 3:03

0 votes

1 answer

38 views

Quantifier difference

asked Nov 19, 2018 at 6:45

0 votes

0 answers

44 views

modular arithmetic problem puzzle [duplicate]

asked Nov 23, 2018 at 13:56

0 votes

1 answer

554 views

Algebralization of a puzzle

asked Dec 5, 2018 at 20:49

0 votes

2 answers

54 views

Function Differentiability, definability, where $f'(x) = 0$

asked Apr 4, 2019 at 12:36

0 votes

0 answers

28 views

Equivalent of limit

asked Apr 8, 2019 at 19:45

0 votes

1 answer

22 views

Finding y by the function of x factorization [closed]

asked Apr 11, 2019 at 17:10

Stack Exchange Network

52 Questions

What is the domain of the function $f(x)=\sqrt[3]{x^3-x}$?

Square root of 6 proof rationality

which probability distribution is this when we toss a dice and assign a number based on result? [closed]

a^m b^n c^n prove it's not regular/pumping lemma

constructing grammar for 101(1+0)*

determine $f_Y$ given $f_X$, cdf then pdf or inverse function?

deriving pdf with two methods, with two different results

Unif affine function for RV U Unif distributed

Constructing grammar for $a^ib^j$ / $i\neq j$

intersection of two regular expressions [closed]

DFA conversion through state elimination and arden's method

An equivalence of $(X-a)(X-b)>0$ when $a<b$

Is $a \mapsto 2a$ bijective? [closed]

combination vs permutation. Order Vs no order matters

Triangle inequality proof by cases

Closed form solution for logarithmic inequality

How to approach such problems

Quantifiers and variable link

Two unknowns equation multiplied

Difference between mentioning existential quantifier and not

Determining 0+ vs 0- inside a square root function

Complex number z: |z| = 1 => z* = 1/z proof

A complex number is real proof

Second degree equation solutions involving and / Or

Quantifier difference

modular arithmetic problem puzzle [duplicate]

Algebralization of a puzzle

Function Differentiability, definability, where $f'(x) = 0$

Equivalent of limit

Finding y by the function of x factorization [closed]