Find the angle between the pair of lines given by `vecr=2hati-5hatj+hatk+lambda(3hati+2hatj+6hatk), vecr=7hati-6hatk+mu(hati+2hatj+2hatk)`

Find the angle between the pair of lines given by vecr = 2hati - 5hatj + hatk + lambda (3hati +2hatj+6hatk) and vecr =7hati - 6hatk + mu(hati +2hatj + 2hatk)

Find the angle between the pair of lines vecr=2hati-5hatj+hatk+lamda(3hati+2hatj+6hatk) and vecr=7hati-6hatk+mu(hati+2hatj+2hatk)

Find the angle between the pair of lines given by vecr=3hati+2hatj-4hatk+lambda(hati+2hatj+2hatk) and vecr=5hati-2hatj+mu(3hati+2hatj+6hatk)

Find the angle between the following pair of line: r=2hati-=5hatj+hatk+lamda(3hati+2hatj+6hatk) and vecr=7hati-6hatk+mu(hati+2hatj+2hatk)

Find the angle between the pair of lines given by vecr = 3hati+2hatj-4hatk+lambda(hati+2hatj+2hatk) and vecr = 5hati-2hatj+mu(3hati+2hatj+6hatk)

Find the angle between the following pairs of lines : (i) vecr=2hati-5hatj+hatk+lambda(3hati+2hatj+6hatk) and veck=7hati-6hatk+mu(hati+2hatj+2hatk) (ii) vecr=3hati+hatj-2hatk+lambda(hati-hatj-2hatk) and vecr=2hati-hatj-56hatk+mu(3hati-5hatj-4hatk)

Find the angle between the following pair of lines: vecr = 2hati-5hatj+hatk + lambda(3hati+2hatj+6hatk) and vecr = 7hati-6hatj+mu(hati+2hatj+2hatk)

Find the angle between the following pair of lines : vecr=hati+hatj-hatk+lambda(hati-3hatj+2hatk), vecr=2hati-hatj+hatk+mu(3hati+hatj-2hatk)

Find the angle between the pair of line: vecr=3hati+2hatj-4hatk+lamda(hati+2hatj+2hatk), vecr=5hati-2hatk+mu(3hati+2hatj+6hatk)