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alien2003's user avatar
alien2003's user avatar
alien2003
  • Member for 3 years, 4 months
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3 votes

Proof $gcd(2^{2x},2x)=2gcd(2^{x},x)$

3 votes
Accepted

Real Eigenvalues and Similarity

3 votes
Accepted

Trouble solving these trigonometric simultaneous equations

2 votes
Accepted

Series including binomial coefficients

2 votes
Accepted

Find $\lim\limits_{n \rightarrow \infty} \frac{n(\sqrt[n+1]{n+1} - 1)}{\ln{n}}$.

2 votes

How do you go from the first step where the summation of $(1-p)^{k-1}$ transform to the fraction

2 votes

Combinatorics on seats and circular tables

1 vote
Accepted

Domain of a function quick question

1 vote
Accepted

How to find new number congruent to another one with respect to some given congruences?

1 vote
Accepted

Prove that there are infinitely many $n\in\mathbb{N^*}$ such that $n|2^{2n-1}+1$

0 votes
Accepted

How can only one line be drawn through 4 collinear points?

0 votes

Find the maximum value of a constant $\psi$ for which the inequality $\psi |x - y| \leq |f(x) - f(y)|$ holds

0 votes

Formally show that the set $\mathcal{S} = \left\{x\in\mathbb{Q} : x>0 , x^2<2 \right\}$ does not have a least upper bound in $\mathbb{Q}$.