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Matt's user avatar
Matt's user avatar
Matt
  • Member for 10 years, 9 months
  • Last seen this week
  • CT, USA
37 votes

Easy example why complex numbers are cool

8 votes
Accepted

Is the disjunction of these two false statements true?

7 votes

100 blue-eyed islanders puzzle: 3 questions

7 votes

Sum of roots of any equation

6 votes

10 passengers in a boat

4 votes

How to prove that a complex number is not a root of unity?

4 votes

'Obvious' theorems that are actually false

3 votes

Show that a certain set of positive real numbers must be finite or countable

3 votes
Accepted

How can I find an x value that satisfies each of the following equations n>1?

2 votes

How to prove that this function is increasing?

2 votes

Hilbert's Hotel and Infinities for Pre-university Students

2 votes
Accepted

Can these nested if-then-else be turned into a boolean formula?

2 votes

All Humans have the same gender

2 votes

Tangential Acceleration Proof

2 votes

Show that $\cos \pi = -1$

1 vote

Suppose that $5\leq q\leq p$ are both prime. Prove that $24|(p^2-q^2)$.

1 vote

Transform a column vector into its transpose with matrix multiplication?

0 votes

Proving f(x)=g(x) for all real numbers if f(x)=g(x) for all rational numbers

0 votes

A fair coin is flipped $100000$ times and you get $100000$ Heads in a row. What is the probability that you get Heads on $100001$th flip?

0 votes

What condition that if imposed on $\alpha$ imply that $\cos^{-1} \alpha$ is a rational multiple of $\pi$?

0 votes

Why can a Complex Logarithm have infinitely many values?