Find the angle between the line `vecr=(hati+2hatj-hatk)+lamda(hati-hatj+hatk)`
Channel: Doubtnut
Date: 12/04/2020

Find the angle between the line `vecr=(hati+2hatj-hatk)+lamda(hati-hatj+hatk)` and the plane `vecr.(2hati-hatj+hatk)=4`