Intereting Posts

Prove that H is a subgroup of G.
What does the result of a fourier transform mean, how is it interpreted?
Proving Gaussian Integers are countable
Limit of ${a_n}^{1/n}$ is equal to $\lim_{n\to\infty} a_{n+1}/a_n$
Spectrum of a right shift operator.
Solutions to a quadratic diophantine equation $x^2 + xy + y^2 = 3r^2$.
Product of elements of a finite abelian group
limit without L'Hôpitale rule or infinity series
Is there a Way to Think of the Adjugate Matrix Invariantly.
Are the vertices of a Voronoi diagram obtained from a Sierpinski attractor also a kind of attractor?
Determining origin of norm
Proving that there exists an irrational number in between any given real numbers
Cardinality of set containing true order relations from a power set
show invertibility of linear transformations
Understanding the definition of dense sets

Is it true that all single variable definite integral that had closed form can solve by one algorithms? In addition the integral is not having positive/negative infinity upper or lower limit interval on the integral sign.

Please also list your references

- Honest and Deceitful Professors Problem
- Upper bound for $T(n) = T(n - 1) + T(n/2) + n$ with recursion-tree
- Are there any algorithms or methods to compute Landau function $g(n)$?
- Representing a number as a sum of k pth powers
- Largest Equilateral Triangle in a Polygon
- $T(1) = 1 , T(n) = 2T(n/2) + n^3$? Divide and conquer

- Maximize and Minimize a 12" piece of wire into a square and circle
- Evaluate the integral $\int_0^{\infty} \left(\frac{\log x \arctan x}{x}\right)^2 \ dx$
- Order preserve after taking expectation “piecewisely”
- help me understand derivatives and their purpose
- Does $\lim_{n\rightarrow\infty}\sin\left(\pi\sqrt{n^{3}+1}\right)$ exist?
- What are some rigorous definitions for sine and cosine?
- Maximum and minimum of an integral under integral constraints.
- Proving a limit of a trigonometric function: $\lim_{x \to 2/\pi}\lfloor \sin \frac{1}{x} \rfloor=0$
- If $f:[0,\infty)\to [0,\infty)$ and $f(x+y)=f(x)+f(y)$ then prove that $f(x)=ax$
- Prove that $\int_0^1|f''(x)|dx\ge4.$

- Normal derivative of a $H^1$- Sobolev function
- Prove $\left| \int_a^b f(t) dt \right| \leq \int_a^b \left| f(t) \right| dt$
- Balancing chemical equations using linear algebraic methods
- Linear optimization problem.
- Limiting Behaviour of Mean Value Theorem ($\theta \to \frac12$ as $h \to 0$)
- minimum value of $\cos(A-B)+\cos(B-C) +\cos(C-A)$ is $-3/2$
- Finite vs infinite dimensional vector spaces
- Is the class of countable posets well-quasi-ordered by embeddability?
- Finite number of elements generating the unit ideal of a commutative ring
- Multivariable calculus – Implicit function theorem
- Undergrad Student Trying to Figure Out What to Study
- Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case
- On the number of quadratic residues $\pmod{pq}$ where$p$ and $q$ are odd primes.
- Evaluate $\lim_{x→0}\left(\frac{1+\tan x}{1+\sin x}\right)^{1/x^2} $
- Is it possible to intuitively explain, how the three irrational numbers $e$, $i$ and $\pi$ are related?