Reputation
29,052
Next tag badge:
367/400 score
265/80 answers
Badges
3 38 88
Impact
~295k people reached

Apr
29
revised If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
added 52 characters in body
Apr
29
comment If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
It is fixed now.
Apr
29
revised If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
added 52 characters in body
Apr
29
comment If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
Oh right, don't worry, I'll fix it right away
Apr
29
answered If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
Apr
26
answered Proving cycles in graph
Apr
26
answered Number of Partitions in which the Two Largest Parts are Equal
Apr
26
answered Subgroups and subsets
Apr
26
answered Proof about eulerian digraph - need help understanding one arguement
Apr
26
revised Maximize linear combination
added 353 characters in body
Apr
26
answered Maximize linear combination
Apr
26
answered Trying to understand the formula for counting multiset permutations
Apr
26
answered Number of functions for $(f(x))^2=x^2$
Apr
26
answered Last digits of sum $n!+m!$
Apr
25
revised If $a=b$ then $a+c=b+c$?
added 35 characters in body
Apr
25
comment If $a=b$ then $a+c=b+c$?
they are real numbers
Apr
25
revised Summation of $\binom{N}{K}$
added 17 characters in body
Apr
25
answered Summation of $\binom{N}{K}$
Apr
25
comment If $a=b$ then $a+c=b+c$?
so two things are equal if the have the same value?
Apr
25
comment If $a=b$ then $a+c=b+c$?
Why can we replace $b$ with $a$ without altering the result?