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Top Questions
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Top Answers
18
Derivative of $(x-1)(x-2)(x-3) \cdots (x-10)$ at $x=6$
math.stackexchange.com
12
Intuition behind $\zeta(-1)$ = $\frac{-1}{12}$
math.stackexchange.com
12
What is the name of this hexagon/pentagon polyhedron?
math.stackexchange.com
11
Why is this proof incorrect? (limit product is product of the limits)
math.stackexchange.com
11
If $A$ and $B$ are invertible matrices, is $A+B$ invertible too?
math.stackexchange.com
11
The sum of 8 consecutive Fibonacci numbers is not a Fibonacci number
math.stackexchange.com
10
How to explain to my daughter that $\frac {2}{3}$ is greater than $\frac {3}{5}$?
math.stackexchange.com
10
What is $\int_0^{\pi/2}\sin^7(\theta)\cos^5(\theta)d\theta$
math.stackexchange.com
9
Find the power of the matrix.
math.stackexchange.com
8
Prove that the golden ratio is irrational by contradiction
math.stackexchange.com
8
How to solve a system of linear equations modulo n?
math.stackexchange.com
7
A Particular Two-Variable System in a Group
math.stackexchange.com
7
Determine if this series converges or diverges
math.stackexchange.com
7
Is the empty set compact in $\mathbb R$?
math.stackexchange.com
7
Name this object derived from the Rhombicuboctahedron...
math.stackexchange.com
7
Rules for modulus and multiplication
math.stackexchange.com
6
Polynomial system of equations over integers
math.stackexchange.com
6
Finding the value of $\sqrt[4]{(4+\sqrt7)^{-1}}\sqrt{1+\sqrt7}$ with other approaches
math.stackexchange.com
6
if p is prime then 1920 divides $p^4-10p^2+9$
math.stackexchange.com
6
Let $f: [a, +\infty [\to \mathbb{R}$ derivable such that $\lim_{x\to+\infty} xf'(x) = k> 0$. Prove that $\lim_{x\to+\infty} f(x)=+ \infty$.
math.stackexchange.com
6
Which solution to the integral $\int \frac {dx}{x \sqrt {x^2-1}}$ is correct and why?
math.stackexchange.com
6
What formula to chose a nonlinear formula?
math.stackexchange.com
6
How to multiply on a calculator which only allows add, subtract and reciprocal
math.stackexchange.com
6
Proving it has all real roots
math.stackexchange.com
6
Coercive continuous function on a closed subset has a global minimum proof
math.stackexchange.com
6
How many resistors are needed?
math.stackexchange.com
6
Can indefinite double integrals be solved by change of variables technique?
math.stackexchange.com
5
A problem of determinants
math.stackexchange.com
5
Integral of product of two inverse polynomials
math.stackexchange.com
5
How to solve $x\sin x=a$ for any number $a$?
math.stackexchange.com
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