$x_p$ of a ordinary differential equation
12102
particular solution to $y^{(4)} -2y'' +y = xe^x $ using undetermined coefficients
21649
P.d.f of the absolute value of a normally distributed variable
45618
First order differential equations with 2 varriables
67158
Solve $y'-\int_0^xy(t)dt=2$
55188
Second order ODE - why the extra X for the solution?
26658
A proof for $\nabla |u|^p = p\ \text{sgn}(u)|u|^{p-1}\nabla u$.
123602
Non integer derivative of $1/p(x)$
102943
$f(x)=1/q$ for $x=p/q$ is integrable
98662
$P(|X|\ge\lambda a)\ge (1-\lambda)^2a^2$ for $0\le \lambda \le 1$
85085
Simplifying the derivative of $|x|$
151400
Closed-form of $\int_0^1 \operatorname{Li}_p(x) \, dx$
26689
A.P. terms in a Quadratic equation.
94119
Prove that $xy \leq\frac{x^p}{p} + \frac{y^q}{q}$
90055
Show that $\mathcal P(x)\notin x$
81358
System of linear differential equation
131881
Show that the roots of P' lie in the same half plane as the roots of P
54250
To solve the non linear IVP $y'(t)=1-y^2(t)$