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

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 pairs of lines. (i) hatr = 2hati-5hatj+hatk+lambda(3hati+2hatj+6hatk) and vecr = 7 hati-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 pairs of lines. (i) hatr = 2hati-5hatj+hatk+lambda(3hati+2hatj+6hatk) and vecr = 7 hati-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 line: r=2hati-=5hatj+hatk+lamda(3hati+2hatj+6hatk) and vecr=7hati-6hatk+mu(hati+2hatj+2hatk)

Find the angle between the following pair of lines: vecr = 3hati+hatj-2hatk + lambda(hati-hatj-2hatk) and vecr = 2hati-hatj-56hatk+mu(3hati-5hatj-4hatk)

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