Reputation
16,722
Top tag
Next privilege 20,000 Rep.
Access 'trusted user' tools
Badges
12 31 66
Newest
 Copy Editor
Impact
~146k people reached

Jul
12
revised Find coefficients of polynomials $f(x)=x^2+ax+b$ and $g(x)=x^2+cx+d$ $(a,b,c,d \in \mathbb{R})$
added 101 characters in body
Jul
12
revised Find coefficients of polynomials $f(x)=x^2+ax+b$ and $g(x)=x^2+cx+d$ $(a,b,c,d \in \mathbb{R})$
added 77 characters in body
Jul
12
answered Find coefficients of polynomials $f(x)=x^2+ax+b$ and $g(x)=x^2+cx+d$ $(a,b,c,d \in \mathbb{R})$
Jul
12
reviewed Edit Cauchy-Schwarz inequality proof (but not the usual one)
Jul
12
revised Cauchy-Schwarz inequality proof (but not the usual one)
added 65 characters in body
Jul
11
comment Given probabilities of a horse beating each other horse. What is the probability that the horse will finish in a particular position?
Related (but a little less general): math.stackexchange.com/questions/878910/…
Jul
11
reviewed Leave Open How can I calculate the singularities and residues of…?
Jul
11
reviewed Leave Open Area of a quarter circle C1 equals the area of an inner circle C2 where C2.diameter = C1.radius
Jul
10
reviewed Looks OK Differentiate the Function: $f(x)=(x^3+2x)e^x$
Jul
10
reviewed Close Integrate $\ln x \cos(\ln x) \,dx$
Jul
10
reviewed Leave Open What fields of math would be most interesting for non-mathematicians?
Jul
10
reviewed Close Construction of a triangle with given angle bisectors
Jul
10
reviewed Leave Open The range of the function $f(x,y)=(x+y,xy)$
Jul
10
reviewed Close Can someone explain me how to prove this equality?
Jul
10
reviewed Close find the limit of a given function as $x\to 0$
Jul
10
reviewed Close Applying Rolle's Theorem
Jul
10
reviewed Close Find sum of a finite nested radical $ \sqrt{2012+\sqrt{2012+\sqrt{2012+\cdots}}} $ 2012 times
Jul
10
reviewed Leave Open Shortest distance of the point $(0,c)$ from the parabola $y=x^2$
Jul
10
reviewed Close Find the partial derivative of twice differentiable functions
Jul
10
comment Does the sum of the reciprocals of composites that are $ \le $ 1
...yeah, unless there's a bug in my code, it looks like it terminates. The final denominator has $733833$ digits.