$\int f(x) dx $ is appearing as $\int dx f(x)$. Why?
31979
Notation: Why write the differential first?
34368
Problem when integrating $e^x / x$.
34565
How do I differentiate this integral?
10366
Why do we not include $c$ in the computation of the definite integral?
62370
Why are the return values of these doubles -1.#IND?
506
Finding $\int x^xdx$
30507
What is the intuitive meaning of line integral with respect to x?
131876
Show that $\int_{a}^{b}{x^{n}f(x)dx}=0$, then $f=0$
104512
Why is $\frac{1}{2\pi i}\int_{\gamma}\frac{f'(z)}{f(z)}dz$ an integer?
99458
Suppose $\int_{[a,b]}f=0,\text{ then }f(x)=0 \forall x\in[a,b]$
19072
$\int_{\mathbb R} |f(x)| dx < \infty \implies \int^{\infty}_{n} |f(x)| dx \to 0$ as $n \to \infty$?
23685
Integrating $\int \sin^n{x} \ dx$
56812
Is there any particular difference between intval and casting to int - `(int) X`?
109192
Intuitive reason why $ \frac1j > \int_{j}^{j+1} \frac1x dx $ for $j$ < $x$
154612
$\int_{0}^{x} f(t) dt \ge {f(x)}$ holds or not on $[0,1]$
141685
Why is expectation defined by $\int xf(x)dx$?
82659
How to write $\delta (f(x))$ in terms of $\delta (x)$?