5,100 reputation
1941
bio website facebook.com/gregor.ethan
location California
age 19
visits member for 2 years
seen 4 hours ago

I'm a recent high school graduate living in Los Angeles, California.


4h
awarded  Constituent
Dec
12
reviewed Approve Is subtraction a binary operation on $S$
Dec
12
answered deriving the sum of $x^n/(n+2)^2$
Dec
8
awarded  Caucus
Dec
7
reviewed Reject Proving the 'pull out property of conditional expectation
Dec
7
reviewed Approve Solving $3x\equiv 4\pmod 7$
Dec
7
reviewed Approve Reasoning behind the approach of finding modular multiplicative inverse
Dec
7
answered Simplifying $\frac{x^6-1}{x-1}$
Dec
7
comment Total choices of n numbers such that GCD of array=1
Could you please elaborate on the definition of the function 'a' and what the values of 'i' and 'm' represent.
Dec
7
comment Is there a metric in which $1+2+3+4+\cdot$ converges to $-\frac1{12}$?
@Integrator This isn't a duplicate he is asking for an arbitrary metric under which this sum converges. The other question is asking why a given function has a particular value.
Nov
22
awarded  Yearling
Nov
4
revised Find $\lim_{x \to 0^+}x\int_x^1 \frac{\cos t}{t^2}\,dt$
deleted 1 character in body
Oct
31
awarded  Notable Question
Oct
30
awarded  Proofreader
Oct
30
reviewed Approve Why is $F(x)$ continuous at $x=0$?
Oct
29
reviewed Approve $\,f:[0,1)\to\mathbb R$ is a concave differentiable function st $\,f(0)=0$. Show that $g:[0,1),g(z)=f(zx)/z$, for $x > 0$ is decreasing
Oct
29
reviewed Approve Proof of sum of binomials over upper index (induction)
Oct
24
comment Convergence of single variable power series
You shouldn't try to verify it because it's unverifiable.
Oct
17
revised Recurence Problem. - Solve either by substitution or Expansion
added 10 characters in body
Oct
17
answered Recurence Problem. - Solve either by substitution or Expansion