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Dec
2
asked When is $\sin(x)$ rational?
Oct
19
accepted Metric space where the distance between arbitrary points is a constant
Oct
19
comment Metric space where the distance between arbitrary points is a constant
But there is always some form of it no...?
Oct
19
comment Metric space where the distance between arbitrary points is a constant
So not all metric spaces can have something like co-linearity?
Oct
19
asked Metric space where the distance between arbitrary points is a constant
Jul
17
comment Can this equation with Modulo be simplified?
Apologies, there was a weird (to me) formmating issue (the '<' hid the rest of the line.
Jul
17
revised Can this equation with Modulo be simplified?
added 2 characters in body
Jul
17
comment Can this equation with Modulo be simplified?
@J.M since it is not possible to totally express .1 in binary in finite space, what do you really expect to happen? This is part of the reason the decimal type was created.
Jul
17
answered Can this equation with Modulo be simplified?
Jul
17
comment Odds of winning at minesweeper with perfect play
@Aryabhata, Thank you. I realize this is stupid, but it "seems" that given a number of mines, and the area, it should be possible to determine the odds of winning with perfect play. To actually do the perfect play is not the way to go about it, but in the aggregate, I was hoping for some clever way.
Jun
14
comment Show the correctness of a logarithmic inequality
I am not sure, but couldn't you just do away with all the logs and have it not affect the inequality?
Jun
12
comment Golomb sequence
You are probably overflowing...
Jun
5
comment Finding two sides of a triangle
Hint: apply the definition of sine and cosine (geometrically, what do they mean?)
Jun
4
comment Elementary doubt on ratios
Looks good to me. Btw, there is no difference between the two answers you gave.
Jun
4
accepted Odds of winning at minesweeper with perfect play
Jun
3
comment A probability question about a dog
What do you mean?
Jun
3
answered A probability question about a dog
Jun
3
comment A probability question about a dog
Sounds like HW...
Jun
2
comment Evaluate $ \binom{n}{0}+\binom{n}{2}+\binom{n}{4}+\cdots+\binom{n}{2k}+\cdots$
Ok, so they are both exactly half the of the row (they get every element once as opposed to twice). Since the sum of a row is 2^n, this gives 2^(n-1) as the answer.
Jun
2
comment count the number of subsets
Got it, thanks.