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May
22
revised Simple Inequality Proof
deleted 1 character in body
May
21
revised Uniform convergence of the Fourier Series using Bessel's inequality
deleted 4 characters in body
May
20
revised Approximating dirac delta function with sinc functions
deleted 1 character in body
May
20
revised Find minimum value of the expression x^2 +y^2 subject to conditions
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May
20
revised Limit of a sequence defined by a sum:
deleted 1 character in body
May
17
revised When does $x_1+x_2+\dots+x_n=a,\space x_1^2+x_2^2+\dots+x_n^2=b$ have a unique solution?
deleted 1 character in body
May
17
revised Norm of Volterra Operator
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May
17
revised Solution Verification: $\sum_{n = 1}^{\infty} a_n \lt \infty \implies \sum_{n = 1}^{\infty} \dfrac{\sqrt{a_n}}{n} \lt \infty$ if $a_n \ge 0$
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May
16
answered What is the most fundamental trigonometric function: cosine or sine?
May
16
revised Inequality concerning sides of a triangle
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May
16
revised Integral estimate
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May
13
comment Prove the sequences $\lfloor \alpha n\rfloor $ and $\lfloor \beta n\rfloor $ are disjoint
@GabrielR. How many of the numbers in the first sequence are smaller than $n$?
May
13
comment Prove the sequences $\lfloor \alpha n\rfloor $ and $\lfloor \beta n\rfloor $ are disjoint
@i707107 Do you think that this is a good hint?
May
13
comment Existence of functions which satisfy some conditions
For you, too: spikedmath.com/170.html
May
13
comment Existence of functions which satisfy some conditions
spikedmath.com/170.html
May
13
comment Prove the sequences $\lfloor \alpha n\rfloor $ and $\lfloor \beta n\rfloor $ are disjoint
Try to count how many numbers in both sequences together are of size at most $n$.
May
12
comment How do we pronounce this symbol?
@Mathias711 It used to be one of the community ads, I do not know if it is now.
May
12
comment How do we pronounce this symbol?
Detexify can sometimes help with this kind of question: detexify.kirelabs.org/classify.html
May
11
answered Prove that the following limit exists and find it!
May
11
revised Inscribed Angles in Two Cyclic Quadrilaterals
edited tags