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Jul
28
answered Find a polynomial from an equality
Jul
27
comment Find a polynomial from an equality
related math.stackexchange.com/questions/3888/…
May
21
awarded  Yearling
Aug
5
awarded  Necromancer
Jul
29
reviewed Approve Represent a prime number $p$ congruent to $1$ $\pmod{3}$ by a sum of a square and $3$ times a square
Jul
17
awarded  Enlightened
Jul
17
awarded  Nice Answer
Jun
8
reviewed Approve Why does $1-\sqrt{1-4pq} = 1-|p-q |$ for $p \in (0,1)$ and $q=1-p$?
Jun
2
answered Why a subspace of a vector space is useful
May
21
awarded  Yearling
Mar
10
awarded  Nice Answer
Feb
2
reviewed Approve Packing circles on a line
Jan
18
comment Equilateral triangle geometric problem
thanks, corrected
Jan
18
revised Equilateral triangle geometric problem
arithmetic error in the last 2 lines (25/4 instead of 25/2 as per comment
Jan
9
reviewed Approve Derivative of trigonometric function help
Sep
30
accepted $\frac{dy}{dx}=1+\frac{2}{x+y}$ solution by an “integrating term”
May
21
awarded  Yearling
Mar
14
answered Show that the surface area of a cone with base radius $a$ and height $h$ is $\pi a \sqrt{a^2+h^2}$
Mar
13
comment Equilateral triangle geometric problem
see the edited answer
Mar
13
revised Equilateral triangle geometric problem
added 644 characters in body