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visits member for 2 years, 7 months
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Apr
10
reviewed Approve Sudoku candidate probability
Apr
10
comment Are the two integrals equivalent?
Yes they are indeed the same
Apr
9
reviewed Edit Is my second equation right?
Apr
9
revised Is my second equation right?
Use Mathjax
Apr
9
reviewed Approve How to use the Maclaurin Series to get $f^{10}(0)$ of $f(x)=(\cos(3x^2)−1)/x^2$
Apr
9
reviewed Reject Finding the point on the curve at which the normal is parallel to a given line.
Apr
9
revised Convert from base 10 to base 5
improved formatting
Apr
9
awarded  Enlightened
Apr
9
awarded  Nice Answer
Apr
8
revised Convert from base 10 to base 5
added 142 characters in body
Apr
8
answered Convert from base 10 to base 5
Apr
5
answered What is the probability that you will see an odd number of heads?
Apr
1
answered What is the legality of the following series?
Mar
31
comment $f(x)=x$ if $x$ is rational , $f(x)=1-x$ if $x$ is irrational, at what point this function is continuous?
You beat me to it, +1
Feb
26
comment Finding out the coeffcient next to $x^2$ in $(\cdots(x-2)^2-2)^2\cdots-2)^2$.
I don't know why it is, but it seems the recurrence is $a(n)=20a(n-1)-64a(n-2)$, which gives the solution $(4*16^n-4^n)/3.$
Feb
19
comment Prove that $\sum_i\sum_j a_{ij}=\sum_j\sum_i a_{ij}$
See math.stackexchange.com/questions/497096/…
Jan
9
reviewed Approve proving a specific trig inequality
Nov
29
awarded  Civic Duty
Oct
27
reviewed No Action Needed Find $a\in\mathbb{N}$ such that $n^4+a$ is not prime $\forall n\in\mathbb{N}$
Oct
23
revised How to change to same units
edited tags