Find the shortest distance  between the lines `vecr=3hati+5hatj+7hatk+lamda(hati-2hatj+hatk) and
Channel: Doubtnut
Date: 12/04/2020

Find the shortest distance  between the lines `vecr=3hati+5hatj+7hatk+lamda(hati-2hatj+hatk) and vecr=-hati+hatj-hatk+mu(2hati-6hatj+hatk)`