find the directional derivative of x2y2z2 at the point (1,1,-1) in the direction of the tangent to
![](https://i.ytimg.com/vi/A4lrUCV5-g0/mqdefault.jpg)
22:10
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/wCZ1VEmVjVo/mqdefault.jpg)
27:14
What is Jacobian? | The right way of thinking derivatives and integrals
![](https://i.ytimg.com/vi/kmQjr8nCMgE/mqdefault.jpg)
18:01
Deriving the Gamma Function
![](https://i.ytimg.com/vi/BlxBNvkW-q8/mqdefault.jpg)
41:10
Marathon class 10th ex 14.1 Q 10-Q2 5#mathematics #mathneurons#youtubelive
![](https://i.ytimg.com/vi/TFm-lSuSybw/mqdefault.jpg)
17:56
solve the differential equation: x d2y/dx2 -2(x+1)dy/dx+(x+2)y=(x-2)e^x
![](https://i.ytimg.com/vi/s1zhYD4x6mY/mqdefault.jpg)
22:44
integral of sin(x)/x from 0 to inf by Feynman's Technique
![](https://i.ytimg.com/vi/C1HCvqh7wBU/mqdefault.jpg)
35:42