New posts in calculus

If $\lim\limits_{n \to \infty} a_n$ exists is it true that $a_n$ is bounded?

Integrating each side of an equation w.r.t. to a different variable?

Solve $\int_{0}^{\pi/2} \arccos\left( \frac{\cos(x)}{1+2\cos(x)} \right) \mathrm dx$ [closed]

How many continuous function $f(x)$ exist such that $\int_{0}^{1}f(x)\big(1-f(x)\big)\mathrm dx = \frac{1}{4}$? [closed]

Counterexample of multiplicative Landau inequality in finite interval

Sine inequality: How to prove that $|\sin(x)| \le |x|$ for $ x \in \mathbb{R}$ [closed]

$ \lim x^2 = a^2$ as $x$ goes to $a$

Partial fractions to integrate$\int \frac{4x^2 -20}{(2x+5)^3}dx$

How to evalute $\int_{0}^{1}\frac{x\log x}{\log(1-x)}dx$

Convergence of $\sum\limits_{n=1}^{\infty}{{n!n^{-p}}\over{q(q+1)...(q+n)}}$

$\int_{-\infty}^\infty f(x)dx$ vs. $\lim_{b\rightarrow\infty}\int_{-b}^b f(x)dx$ for odd $f(x)$.

How to calculate this iterated integral:$\int_0^1dy\int_0^y dx\int_0^x \frac{e^z}{1-z}dz$?

Integral: $\int_0^{\infty} \cos\left(\frac{a^2}{x^2}-b^2x^2\right)\,dx$ for $a,b>0$

Is the integral always the area under the curve?

No definite integrals of trigonometry

Example of differentiable function which has non-zero quadratic variation

When $\delta$ decreases should $\epsilon$ decrease? (In the definition of a limit when x approaches $a$ should $f(x)$ approach its limit $L$? )

Evaluate $\lim_{x\to \infty} \cos (\sqrt {x+1})-\cos (\sqrt x)$

Why the limit of $\frac{\sin(x)}{x}$ as $x$ approaches 0 is 1? [duplicate]

Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$