find the directional derivative of xy2+yz3 at the point (2,-1,1) along the tangent to the curve
![](https://i.ytimg.com/vi/PMlM5ueso1c/mqdefault.jpg)
28:16
show that the differential equation of all cones which have their vertex at the origin is px+qy=z
![](https://i.ytimg.com/vi/6alQZenRlkc/mqdefault.jpg)
22:53
find the curvature and torsion of the curve; x=a cost , y=a sint , z=bt
![](https://i.ytimg.com/vi/XEOVQf7AJJ4/mqdefault.jpg)
15:44
vector calculus pyq maths optional of upsc 2014 paper-1 , 20M , based at stokes theorem
![](https://i.ytimg.com/vi/tETKFpUa7T4/mqdefault.jpg)
10:45
find the directional derivative of x2y2z2 at the point (1,1,-1) in the direction of the tangent to
![](https://i.ytimg.com/vi/wpH6P7iD7pI/mqdefault.jpg)
15:31
solve the differential equation by using method of variation of parameters
![](https://i.ytimg.com/vi/hI5HfrXSbmg/mqdefault.jpg)
10:01
Manchester City - Real Madrid | UEFA Champions League | DAZN Highlights
![](https://i.ytimg.com/vi/mhd9FXYdf4s/mqdefault.jpg)
32:35
Trigonometry Concepts - Don't Memorize! Visualize!
![](https://i.ytimg.com/vi/Ej3ZVxljJfo/mqdefault.jpg)
17:42