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seen Mar 29 at 0:16

Sep
30
awarded  Explainer
Dec
28
awarded  Yearling
Nov
25
comment find all integers x such that $4x^2 - 1$ is prime
Good to hear! If you feel that the question has been answered, it is customary to mark it as 'answered'.
Nov
21
revised find all integers x such that $4x^2 - 1$ is prime
deleted 25 characters in body
Nov
21
comment find all integers x such that $4x^2 - 1$ is prime
Good catch, editing now
Nov
21
revised find all integers x such that $4x^2 - 1$ is prime
fixed typo in title
Nov
21
answered find all integers x such that $4x^2 - 1$ is prime
Nov
21
suggested approved edit on find all integers x such that $4x^2 - 1$ is prime
Nov
21
comment For which $L^p$ is $\pi=3.2$?
By calculate, do you mean analytically as opposed to numerically?
Nov
18
answered Convert an inequality into limiting equality.
Jan
31
comment How do I solve this (multiplication of exponents)
look up order of operations and product rule in your book.
Jan
31
answered The no. of $4$ Digit no. that contain the Digit $6$ exactly once , si
Jan
31
comment Jordan form and its elements
I caught Calvin's suggested edit.
Jan
31
revised Jordan form and its elements
small minor little details, one important thing
Jan
31
suggested approved edit on Jordan form and its elements
Jan
26
comment Need help with these two integral
what have you tried?
Jan
23
answered Is the expression “$\frac{a-b}{a-c}$ + $\frac{b-c}{b-a}$ + $\frac{c-a}{c-b}$” equal to 0.
Jan
22
answered How is length a set function?
Jan
22
answered The function $f:\mathbb R^+ \rightarrow \mathbb R$ defined by $f(x)=e^{x^2/2}\int_{0}^{x}e^{-t^2/2}dt$ is
Jan
22
awarded  Commentator