Good Answer - Badge - Mathematics Stack Exchange

Good Answer

Answer score of 25 or more. This badge can be awarded multiple times.

Lopsy

4,57221 silver badges28 bronze badges

earned this badge 3 times.

Can a row of five equilateral triangles tile a big equilateral triangle?

Awarded Jul 15, 2019 at 22:25

Proving $\sum_{k=0}^n(-1)^k\binom nk=0$

Awarded May 5, 2018 at 19:02

Show that the sequence $1,2,3,4,5,6,7,8,9,1,0,1,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,2,0,2,1,\cdots$ isn't periodic

Awarded Aug 31, 2013 at 6:54

Others with this badge