show that the differential equation of all cones which have their vertex at the origin is px+qy=z
22:10
find the directional derivative of xy2+yz3 at the point (2,-1,1) along the tangent to the curve
17:12
apply the method of variation of parameters to solve d2y/dx2-3dy/dx+2y=e^x/(1+e^x)
9:56
upsc pyq 2009, exact differential equation
16:12
find the family orthogonal to f[z(x+y)2 , x2-y2]=0
26:12
How to Remember Everything You Read
25:05
Algebra - How To Solve Equations Quickly!
32:51
Gysi und Chrupalla streiten über AfD-Wahlprogramm | Markus Lanz vom 05. Februar 2025
30:26