Argument principle on fourth-order equation
40212
roots of $f(z)=z^4+8z^3+3z^2+8z+3=0$ in the right half plane
78753
$f(x,y)=4x^3y^2$ Dealing with Directional Derivatives and Vectors
9143
Solve $u_{xx}-3u_{xt}-4u_{tt}=0$ where $u(x,0)=x^2$ and $u_t(x,0)=e^x$
29810
Derivation of a generalization of Mertens' Third Theorem.
131485
Continuity of $\frac{x^3y^2}{x^4+y^4}$ at $(0,0)$?
149390
Fixed point of a Function (monotonically increasing)
60897
Non-integer order derivative
57630
Second order homogeneous differential equations: why do repeated roots modify the solution set?
106038
Burgers' equation $u_y + uu_x = 0$ with $u(x,0)=-x$
28315
Monotone functions and non-vanishing of derivative
61477
How do I resolve a recurrence relation when the characteristic equation has fewer roots than terms?
17440
Differentiation using first principles with rational powers
101776
Bounded solution for an equation
105497
A function satisfying a series equation
95888
Justifying an Assumption Made While Deriving the Method of Variation of Parameters
14517
Existence of solutions of the equation with a limit.
41534
A system of logarithmic equations with parameters