Find the distance between the parallel planes ` vecr.(2hati-hatj-2hatk)=6 ` and ` vecr.(6hati-3hatj-6hatk)=27 `

Find the distance between the parallel planes vecr*(-hati-hatj+hatk)=3, vecr*(hati+hatj-hatk)=5 .

Find the distance between the parallel lines vecr=(hati-hatj)+t(2hati-hatj+hatk) and vecr=(2hati+hatj-hatk)+s(2hati-hatj+hatk) .

Find the distance between the planes vecr*(hati-2hatj-2hatk)=7 and vecr*(5hati-10hatj-10hatk)=15.

Find the acute angle between the planes vecr(2hati-3hatj+5hatk)=1 and vecr(hati-hatj-hatk)=7 .

Find the angle between the line vecr=(2hati-hatj+2hatk)+t(hati+2hatj-2hatk) and the plane vecr*(6hati+3hatj+2hatk)=8 .

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

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

Find the distance of the point (-1,-2,3) from the plane vecr.(2hati-3hatj+4hatk)=4

Find the shortest distance between the lines vecr=(hati+2hatj+hatk)+lambda(hati-hatj+hatk) and vecr=2hati-hatj-hatk+mu(2hati+hatj+2hatk)