user avatar
user avatar
user avatar
000
  • Member for 10 years, 7 months
  • Last seen more than 3 years ago
12 votes

Math and mental fatigue

12 votes

Calculate the sum of series $\sum\limits_{i=0}^{n-1} i2^i$

11 votes
Accepted

Cyclic sums -- How do you use them?

9 votes

How to simplify polynomials

9 votes

How does mathematical coefficients differ from "physical coefficients"?

7 votes
Accepted

How was Euler able to create an infinite product for sinc by using its roots?

6 votes

Power summation of $n^3$ or higher

6 votes
Accepted

Complicated rational equation to solve

6 votes

Will Division by Zero be Defined Eventually?

6 votes

Donald Knuth's summation notation confuses me.

6 votes

The substitution rule and differentials

6 votes

Working out digits of Pi.

5 votes

Want to show $\sum_{n=2}^{\infty} \frac{1}{2^{n}*n}$ converges

5 votes

Why is the set of natural numbers not considered a non-Abelian group?

5 votes
Accepted

radius of convergence for $a_n= (\log n)^2$

4 votes

Showing a composition is isomorphic to additive group

4 votes
Accepted

Find the Taylor Series for $f(x)$ centered at a given value $a$

4 votes

Find integral from 1 to infinity of $1/(1+x^2)$

4 votes

Would nonmath students be able to understand this?

4 votes
Accepted

Operators - sums, products, exponents, etc.

4 votes

Solving for unknown

4 votes
Accepted

Partial fractions integration

4 votes
Accepted

Are there any situations where you can only memorize rather than understand?

4 votes
Accepted

estimation of limit / reducing of limit

3 votes
Accepted

What is the flaw in this reasoning?

3 votes
Accepted

Simplify $\frac{5+ \sqrt{20}}{6+ \sqrt{20}}$ to $\frac{5+ \sqrt{5}}{8}$

3 votes

Calculate interests

3 votes

What are applications of rings & groups?

3 votes

Explain this proof without words of integration by parts to me

3 votes

about modulus of not a number or infinity case