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seen Jul 27 at 9:56

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I write to discover what I think.


Feb
4
revised Use equational proofs to solve the problem
added 2 characters in body; edited title
Feb
4
reviewed Leave Open How can I show that an odd degreed polynomial with coefficients in the real space always has a root in $\mathbb{R}$?
Feb
4
reviewed Looks OK How can I show that an odd degreed polynomial with coefficients in the real space always has a root in $\mathbb{R}$?
Feb
4
reviewed Reviewed Multivariable Calculus Vector Field Potential
Feb
4
revised Multivariable Calculus Vector Field Potential
added 2 characters in body
Feb
4
reviewed Reviewed Need help proving an equality
Feb
4
revised Need help proving an equality
added 8 characters in body
Feb
4
reviewed Close Number of peaks in a random iid sequence
Feb
4
reviewed Close Show that space of mxm matrices form a surface
Feb
4
reviewed Close Solving equation: $\cos x-\sin x (2\cos x-4)=0$
Feb
2
reviewed Close shortest distance between two points
Feb
2
reviewed Close Prove that $gcd((a^{n}-b^{n})/(a-b), a-b) = gcd(n(a,b)^{n-1}, a-b)$ for a,b $\in$ $\mathbb{Z}^+$
Jan
30
awarded  Notable Question
Jan
26
comment How to show $((k+1)!)^2 2^k \leq (2(k+1))!$
@StevenStadnicki: Right, but your comment is a thorough answer as it stands. You could post it as an answer and ... Ta-Da! The problem is solved!
Jan
26
revised How to show $((k+1)!)^2 2^k \leq (2(k+1))!$
deleted 16 characters in body; edited tags
Jan
26
comment How to show $((k+1)!)^2 2^k \leq (2(k+1))!$
@StevenStadnicki: Why would you post a complete answer as a comment which left us with nothing?
Jan
26
revised A problem on denseness
deleted 2 characters in body
Jan
26
revised How to prove this theorem from precalculs
added 7 characters in body
Jan
26
revised Find one series solution for $xy'' - y = 0$
edited title
Jan
26
revised Can a relation be transitive when it is not reflexive?
edited title