Reputation
478
Next privilege 500 Rep.
Access review queues
Badges
2 12
Newest
 Yearling
Impact
~2k people reached

  • 0 posts edited
  • 4 helpful flags
  • 126 votes cast
Apr
21
suggested rejected edit on Multiplication of two factors with complex numbers
Apr
18
comment Find all differentiable functions $f$ such that $f(f(x))=f'(x)$
see also this
Apr
18
comment “$111 \dots$ upto $3^n$ digits” is divisible by $3^n$
fixed, i hope it's better now; if it's not enought understandable, i'll write simpler.
Apr
18
revised “$111 \dots$ upto $3^n$ digits” is divisible by $3^n$
added 644 characters in body
Apr
18
comment “$111 \dots$ upto $3^n$ digits” is divisible by $3^n$
correct! i'll fix.
Apr
18
revised “$111 \dots$ upto $3^n$ digits” is divisible by $3^n$
added 287 characters in body
Apr
18
answered “$111 \dots$ upto $3^n$ digits” is divisible by $3^n$
Apr
18
comment Complex infinity ($1/0$)
Note that $a/b$ is defined only when $b \ne 0$.
Apr
18
awarded  Yearling
Apr
18
answered Recurrence relation - equal roots of characteristic equation
Apr
17
answered Proving $6^n - 1$ is always divisible by $5$ by induction
Apr
6
comment how to factorize $(a^2+b^2+c^2)^2-2(a^4+b^4+c^4)$?
Your problem is identical to this
Mar
14
answered Calculating pi manually
Mar
14
comment Minimum distance to reach opposite corner
In this answer i give you only a hint. Look at the picture and think about these two points in order. I hope the answer should be straightforward.
Mar
14
revised Minimum distance to reach opposite corner
added 59 characters in body
Mar
14
answered Minimum distance to reach opposite corner
Mar
14
comment Infinite series with a binomial
that's Catalan numbers generating function
Mar
8
revised Evaluate limit $x^2$ and $\sqrt{1+2/x}$
added 39 characters in body
Mar
8
revised Evaluate limit $x^2$ and $\sqrt{1+2/x}$
added 39 characters in body
Mar
8
answered Evaluate limit $x^2$ and $\sqrt{1+2/x}$