User Mathslover shah

10 votes

1 answer

16k views

The infinite integral of $\frac{\sin x}{x}$ using complex analysis

asked Apr 12, 2016 at 19:03

3 votes

2 answers

489 views

Find all $n$ such that $\varphi(n) \equiv 2 \pmod 4$ [closed]

asked Feb 13, 2016 at 6:39

2 votes

4 answers

335 views

Number theory primes and congruences: $p^{32} -1$ is divisible by $16320$

asked Nov 23, 2015 at 10:38

2 votes

0 answers

109 views

Group theory krull schmidt theorem

asked Jan 5, 2016 at 10:06

2 votes

2 answers

104 views

The convergence of this series: $\sum\limits_{n=2}^\infty {1\over n^{\log n}}$

asked Mar 7, 2016 at 5:56

2 votes

2 answers

701 views

The given function is constant on an open connected set

asked Mar 21, 2016 at 11:09

2 votes

1 answer

172 views

Binary Sequences and Combinatorics

asked Jul 12, 2021 at 8:01

2 votes

1 answer

396 views

Convergence in generalized functions(Distributions)

asked Sep 29, 2017 at 5:10

1 vote

1 answer

214 views

Ordinary differential equations, stability.

asked Dec 7, 2017 at 6:21

1 vote

1 answer

309 views

Stability of the null solution of system of differential equations

asked Feb 9, 2018 at 7:03

1 vote

2 answers

240 views

Lie symmetry methods of differential equations.

asked Apr 16, 2019 at 8:50

1 vote

2 answers

77 views

Differentiable manifolds in $\Bbb{R}^n$

asked Apr 27, 2016 at 4:40

1 vote

1 answer

416 views

Total derivative proof

asked Oct 4, 2016 at 5:18

1 vote

0 answers

29 views

From convergence in $L^2(\mathbb R^n)$ to convergence in $L_\text{loc}^2(\mathbb R^n)$

asked Apr 21, 2017 at 6:02

1 vote

1 answer

144 views

The implicit function theorem

asked Apr 18, 2016 at 16:45

1 vote

1 answer

42 views

Method of characteristics and partial differential equations

asked Sep 17, 2020 at 13:32

1 vote

1 answer

85 views

A linear operator satisfying the polynomial is invertible

asked Feb 29, 2016 at 2:13

1 vote

2 answers

2k views

Finding the extrema on a closed unit disk

asked Apr 4, 2016 at 18:30

1 vote

1 answer

319 views

Singular and regular points of a curve

asked Apr 9, 2016 at 5:38

1 vote

2 answers

3k views

Finding the extrema on sphere

asked Apr 9, 2016 at 13:38

1 vote

1 answer

187 views

Lagrange multipliers and the extrema of $f(x,y) = -x^2-y^2+x+y$

asked Apr 12, 2016 at 2:02

1 vote

1 answer

59 views

Uniform convergence and sequence of functions

asked Dec 12, 2015 at 5:09

0 votes

2 answers

273 views

Geometric interpretation of unitary operators

asked Dec 9, 2015 at 6:27

0 votes

1 answer

44 views

Number theory and primitive roots

asked Feb 14, 2016 at 14:36

0 votes

1 answer

1k views

Find all primes p for which 7 is quadratic residue mod p

asked Feb 16, 2016 at 13:59

0 votes

1 answer

185 views

A finite commutative ring with at least two elements consisting of no zero divisors is a field

asked Feb 21, 2016 at 6:23

0 votes

1 answer

80 views

Finding the extrema of function without differentiating

asked Mar 28, 2016 at 19:10

0 votes

1 answer

232 views

Counting the number of passwords of length 6 with the given conditions

asked Mar 7, 2021 at 13:42

0 votes

2 answers

105 views

Sequence of Pointwise bounded bounded and equicontinous functions is uniformally bounded

asked Apr 19, 2016 at 17:30

0 votes

1 answer

48 views

Finite dimentional topological vector spaces

asked Oct 18, 2016 at 6:12

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33 Questions

The infinite integral of $\frac{\sin x}{x}$ using complex analysis

Find all $n$ such that $\varphi(n) \equiv 2 \pmod 4$ [closed]

Number theory primes and congruences: $p^{32} -1$ is divisible by $16320$

Group theory krull schmidt theorem

The convergence of this series: $\sum\limits_{n=2}^\infty {1\over n^{\log n}}$

The given function is constant on an open connected set

Binary Sequences and Combinatorics

Convergence in generalized functions(Distributions)

Ordinary differential equations, stability.

Stability of the null solution of system of differential equations

Lie symmetry methods of differential equations.

Differentiable manifolds in $\Bbb{R}^n$

Total derivative proof

From convergence in $L^2(\mathbb R^n)$ to convergence in $L_\text{loc}^2(\mathbb R^n)$

The implicit function theorem

Method of characteristics and partial differential equations

A linear operator satisfying the polynomial is invertible

Finding the extrema on a closed unit disk

Singular and regular points of a curve

Finding the extrema on sphere

Lagrange multipliers and the extrema of $f(x,y) = -x^2-y^2+x+y$

Uniform convergence and sequence of functions

Geometric interpretation of unitary operators

Number theory and primitive roots

Find all primes p for which 7 is quadratic residue mod p

A finite commutative ring with at least two elements consisting of no zero divisors is a field

Finding the extrema of function without differentiating

Counting the number of passwords of length 6 with the given conditions

Sequence of Pointwise bounded bounded and equicontinous functions is uniformally bounded

Finite dimentional topological vector spaces