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App developer, RA, and dabbler in mathematics.


Mar
26
revised Necessary/sufficient conditions for an infinite product to be exactly equal to $1$
added 82 characters in body
Mar
25
comment Necessary/sufficient conditions for an infinite product to be exactly equal to $1$
Yes, I thought so. Thanks. Is this still the case if the $a_n$ are monotone decreasing or increasing?
Mar
25
asked Necessary/sufficient conditions for an infinite product to be exactly equal to $1$
Mar
19
revised Find $(a+ib)^{492}$ given that $(a+ib)^{493}=1$
added 5 characters in body
Mar
13
comment Logarithmic quotient
Given the distinction made, what base logarithm is $\log$ here ? Also - you're missing a bracket second line up from the bottom.
Mar
13
comment Describing the sequence A224239.
Analytic Combinatorics may be of help. Try constructing a class of combinatorial objects you require and then apply a transfer function to obtain a generating function which you can solve explicitly or asymptotically.
Mar
9
comment Help finding value of x in logarithms?
Presumably you $\log$ is base $10$?
Mar
9
comment Help finding value of x in logarithms?
Raise both sides to the power $1/8.4$.
Mar
8
comment Can every definite integral be computed symbolically?
But what about when $b=\infty$...
Mar
4
revised if $f(x) = \int_{t=1}^{t=x^2} t\sin^2(t)\operatorname d\!t$ then $\frac{\operatorname d\!f(x)}{\operatorname d\!x}=?$
added 2 characters in body
Mar
4
suggested suggested edit on Is the intersection empty?
Feb
28
accepted Solution of “quadratic equation” involving functional coefficients.
Feb
27
revised Solution of “quadratic equation” involving functional coefficients.
added 12 characters in body
Feb
27
revised Solution of “quadratic equation” involving functional coefficients.
edited body
Feb
27
asked Solution of “quadratic equation” involving functional coefficients.
Feb
26
revised Calculate the integral $\int_{\varGamma}\frac{3e^{z}}{1-e^{z}}dz$
updated $\Gamma$
Feb
26
suggested suggested edit on Calculate the integral $\int_{\varGamma}\frac{3e^{z}}{1-e^{z}}dz$
Feb
24
comment study the convergence of this integral $\int_{0}^{1}x^a|\ln{x}|^bdx$
Consider $a,b$ in different subsets of $\mathbb{R}$ and see whether the integral converges or diverges. E.g. What happens for $b>1$ or $0<b<1$, $b=1$, etc. Similar for $a$.
Feb
23
comment Using quotient rule to differentiate
You may find www.wolframalpha.com useful in checking future results.
Feb
23
revised Using quotient rule to differentiate
changed some maths notation