User user164587 - Mathematics Stack Exchange

42 votes

I lost my love of math; I'm getting it back. How can I determine if math is actually right for me?

answered Sep 11, 2014 at 5:31

12 votes

Why the limit of $\frac{\sin(x)}{x}$ as $x$ approaches 0 is 1?

answered Aug 24, 2014 at 3:21

7 votes

Double integral of $\dfrac{y}{x^2y^2+1}dx~dy$

answered Sep 14, 2014 at 4:33

6 votes

Accepted

System of Equations and Pumpkins? I Think Not.

answered Sep 13, 2014 at 1:48

5 votes

How to show that $\sum_{n=1}^{\infty} \frac{1}{n^k}$ converges for all integer $k > 1$?

answered Sep 11, 2014 at 4:59

5 votes

Solve y''' = y with given conditions?

answered Oct 20, 2014 at 3:13

4 votes

Evaluate trig function integral

answered Sep 18, 2014 at 3:13

4 votes

Find an equation of a quartic function with 2 points and a tangent point

answered Sep 26, 2014 at 13:51

3 votes

Limit of $\frac{\sin(\theta)}{\theta}$ in degrees

answered Sep 14, 2014 at 2:14

3 votes

Evaluate $\int 5^{-4x} dx$

answered Sep 14, 2014 at 4:18

3 votes

If $n$ is composite then $n$ divides $(n-1)!$

answered Oct 25, 2014 at 5:20

2 votes

Integrate $\int \cos^4 x\,\mathrm dx.$

answered Oct 5, 2014 at 3:27

2 votes

Growth Rate of Gaps Between Consecutive Perfect Squares

answered Sep 30, 2014 at 4:28

2 votes

Accepted

Notation for summation while skipping elements

answered Oct 2, 2014 at 0:53

2 votes

Amateur Math and a Linear Recurrence Relation

answered Oct 4, 2014 at 3:21

2 votes

Integration Question: Completing the Square/Trig Sub yields a different answer than integral table.

answered Oct 5, 2014 at 1:20

2 votes

convolution problem given $h(x)=1/2$ for $0<x<2$ and $0$ otherwise

answered Sep 15, 2014 at 0:49

2 votes

Show that $\lim_{x\to \infty}f(x)=0$

answered Sep 7, 2014 at 3:46

2 votes

Linear differential equation and its Wronskian

answered Sep 7, 2014 at 4:20

2 votes

Fun proofs for layperson?

answered Sep 7, 2014 at 5:47

2 votes

Proving gcd(a, a+2) is 1 or 2 for every integer a?

answered Sep 7, 2014 at 5:55

2 votes

Accepted

Intermediate step for integration?

answered Sep 26, 2014 at 14:00

2 votes

Accepted

Increasing sequence and converging to zero.

answered Sep 17, 2014 at 2:18

2 votes

There is no smallest infinity in calculus?

answered Sep 17, 2014 at 19:53

2 votes

The Largest Prime Less Than the Square of a Prime

answered Sep 27, 2014 at 5:03

1 vote

Find the Values of $p$ and $q$ Such that the Improper Integral Converges

answered Sep 29, 2014 at 4:12

1 vote

Finding the fourier series of floor function

answered Sep 30, 2014 at 4:11

1 vote

Is the function $y(t)$ is a solution of the equation $y'=\sin(yt)$?

answered Sep 25, 2014 at 3:54

1 vote

Inequalities and $x^2$

answered Sep 26, 2014 at 4:19

1 vote

a proof of contradiction

answered Sep 27, 2014 at 5:00

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54 Answers

I lost my love of math; I'm getting it back. How can I determine if math is actually right for me?

Why the limit of $\frac{\sin(x)}{x}$ as $x$ approaches 0 is 1?

Double integral of $\dfrac{y}{x^2y^2+1}dx~dy$

System of Equations and Pumpkins? I Think Not.

How to show that $\sum_{n=1}^{\infty} \frac{1}{n^k}$ converges for all integer $k > 1$?

Solve y''' = y with given conditions?

Evaluate trig function integral

Find an equation of a quartic function with 2 points and a tangent point

Limit of $\frac{\sin(\theta)}{\theta}$ in degrees

Evaluate $\int 5^{-4x} dx$

If $n$ is composite then $n$ divides $(n-1)!$

Integrate $\int \cos^4 x\,\mathrm dx.$

Growth Rate of Gaps Between Consecutive Perfect Squares

Notation for summation while skipping elements

Amateur Math and a Linear Recurrence Relation

Integration Question: Completing the Square/Trig Sub yields a different answer than integral table.

convolution problem given $h(x)=1/2$ for $0<x<2$ and $0$ otherwise

Show that $\lim_{x\to \infty}f(x)=0$

Linear differential equation and its Wronskian

Fun proofs for layperson?

Proving gcd(a, a+2) is 1 or 2 for every integer a?

Intermediate step for integration?

Increasing sequence and converging to zero.

There is no smallest infinity in calculus?

The Largest Prime Less Than the Square of a Prime

Find the Values of $p$ and $q$ Such that the Improper Integral Converges

Finding the fourier series of floor function

Is the function $y(t)$ is a solution of the equation $y'=\sin(yt)$?

Inequalities and $x^2$

a proof of contradiction