Reputation
10,478
Top tag
Next privilege 15,000 Rep.
Protect questions
Badges
1 11 27
Newest
 Refiner
Impact
~145k people reached

12h
comment How do i show V is a linear subspace if it's defined like this?
What do you need to show is a linear subspace -- $V$ or $T(V)$?
12h
comment Proof of Vandermonde's Identity using a “different approach” using complex integration
yes, i think this is right
12h
comment Proof of Vandermonde's Identity using a “different approach” using complex integration
+1, interesting, i like it
12h
revised confused on to leave in centimeters or convert to cubic centimeters
added 5 characters in body; edited tags
12h
answered confused on to leave in centimeters or convert to cubic centimeters
12h
comment Powers of complex numbers
@Marissa see update
12h
revised Powers of complex numbers
added 339 characters in body
12h
comment Show that f is a density and find the corresponding cdf
@dc3rd of course, if $x > 1$, we define $F(x)=1$...
13h
answered Show that f is a density and find the corresponding cdf
13h
revised Show that f is a density and find the corresponding cdf
deleted 8 characters in body
13h
comment Count the number of strings of length 8 over A = {w, x, y, z} that begins with either w or y and have at least one x
Makes sense to me
13h
revised How to prove that the time constant is equal to -1/k?
added 16 characters in body
13h
comment What is the most complex mathematical topic?
Interesting what makes them the most complex? There are very difficult problems in other areas of math, often hallmarks of entire fields of thought, like $P = NP$ for example. I am not arguing, just want to understand the thinking
13h
comment How do I complete composite functions that use cos(x) and a polynomial?
Please update the problem with what you think should be done and we will be happy to help with hints and suggestions. What does $f(g(x))$ mean?
13h
revised How do I complete composite functions that use cos(x) and a polynomial?
added 6 characters in body
13h
answered Powers of complex numbers
13h
revised Powers of complex numbers
added 186 characters in body; edited title
Aug
25
answered What is the probability that Sam has drawn a card greater than Ram.
Aug
25
revised Equation of a Line
added 1 character in body
Aug
25
comment Where did I go wrong in my evaluation of the integral of cosine squared?
don't you need a trig substitution for that one :-)?