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Jan
12
revised BMO preparatory question
edited tags
Jan
12
revised Find all primes different from three for which $(3|p)=1$
edited tags
Jan
12
revised Divisibility Question.
edited tags
Jan
12
comment Why doesn't every integral from 0 to $2\pi$ equal zero?
$\int_{a}^{b} f(x) dx = 0$, make the substitution $t = (x-a)(x-b)$...
Jan
12
comment Geometry question: translating a rectangle according to a specific rule
Why don't you describe what you are doing, in the question statement?
Jan
12
comment For finding limits of functions, when are graphs deceiving?
Not sure if it qualifies though...
Jan
12
answered For finding limits of functions, when are graphs deceiving?
Jan
12
comment Convergence of the sequence $x_n=\tan x_{n-1}$
This is likely a dupe...
Jan
12
comment Geometry question: translating a rectangle according to a specific rule
Are you translating the rectangle around line b to make the right corners coincide? From the figure it seems like you are doing some rotation too...
Jan
12
answered How prove there exsit $M$ such $a_{n}\le M$
Jan
12
revised Fibonacci identity: $f_{n-1}f_{n+1} - f_{n}^2 = (-1)^n$
added 29 characters in body
Jan
12
revised Find the highest power of two in the expression.
edited tags
Jan
12
revised Fibonacci identity: $f_{n-1}f_{n+1} - f_{n}^2 = (-1)^n$
added 35 characters in body
Jan
12
comment How to find the numbers of Bezout identity for two numbers
Does this help: math.stackexchange.com/a/2995/1102 ?
Jan
12
comment Limit of $nx_n$
See also: math.stackexchange.com/a/3220/1102
Jan
12
revised Sum: $\sum_{n=1}^\infty\prod_{k=1}^n\frac{k}{k+a}=\frac{1}{a-1}$
added 883 characters in body
Jan
12
answered Sum: $\sum_{n=1}^\infty\prod_{k=1}^n\frac{k}{k+a}=\frac{1}{a-1}$
Jan
11
revised Sum: $\sum_{n=1}^\infty\prod_{k=1}^n\frac{k}{k+a}=\frac{1}{a-1}$
edited tags
Jan
11
comment Closed form for ${\large\int}_0^\infty\frac{x-\sin x}{\left(e^x-1\right)x^2}\,dx$
Where did you come across this?
Jan
10
comment How many ways can you put 8 red, 6 green and 7 blue balls in 4 indistinguishable bins?
Is this from some programming contest?