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17
Derivative of $(x-1)(x-2)(x-3) \cdots (x-10)$ at $x=6$
math.stackexchange.com

12
What is the name of this hexagon/pentagon polyhedron?
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11
Why is this proof incorrect? (limit product is product of the limits)
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10
Intuition behind $\zeta(-1)$ = $\frac{-1}{12}$
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10
How to explain for my daughter that $\frac {2}{3}$ is greater than $\frac {3}{5}$?
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10
If $A$ and $B$ are invertible matrices, is $A+B$ invertible too?
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10
The sum of 8 consecutive Fibonacci numbers is not a Fibonacci number
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10
What is $\int_0^{\pi/2}\sin^7(\theta)\cos^5(\theta)d\theta$
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9
Find the power of the matrix.
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8
Prove that the golden ratio is irrational by contradiction
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7
Determine if this series converges or diverges
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7
Name this object derived from the Rhombicuboctahedron...
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7
Rules for modulus and multiplication
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7
How to solve a system of linear equations modulo n?
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6
A Particular Two-Variable System in a Group
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6
How many resistors are needed?
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6
Proving it has all real roots
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6
if p is prime then 1920 divides $p^4-10p^2+9$
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6
Let $f: [a, +\infty [\to \mathbb{R}$ derivable such that $\lim_{x\to+\infty} xf'(x) = k> 0$. Prove that $\lim_{x\to+\infty} f(x)=+ \infty$.
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6
How to multiply on a calculator which only allows add, subtract and reciprocal
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6
What formula to chose a nonlinear formula?
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6
Which solution to the integral $\int \frac {dx}{x \sqrt {x^2-1}}$ is correct and why?
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5
sequence such that $x_{n+1}=n(x_n-n)$
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5
Useful theorems/properties for evaluating $\lim \limits_{x \to +\infty}\sqrt{x}(\sqrt{x+1}-\sqrt{x-1})$
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5
How to pick a good camping airbed?
outdoors.stackexchange.com

5
Testing differentiability of $f(x)=a\cos(|x^3-x|)+b|x|\sin(|x^3+x|)$
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5
Solving factorial equation $ x!=\left(x-1\right)! + 96 $
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5
Question on solving one algebra relation to obtain another
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5
If $z\in\mathbb C$ with $|z|\leqslant\frac{4}{5}$, then $\sum_{n\in S}z^n\neq-\frac{20}{9}$
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5
Proving a divisibility given a recurrence relation
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