If the vector `vecv` with magnitude `sqrt(6)` is along the intemal bisector of the angle between `veca= 7i-4j-4k` and `vecb =-2i-j+2k`,then `vecv.veca` equals

If the vector vec v with magnitude sqrt(6) is along the intemal bisector of the angle between vec a=7i-4j-4k and vec b=-2i-j+2k then vec v.vec a equals

Let vector of magnitude 3 sqrt(6) along the internal bisector of the angle between the vectors 4i - 7j + 4k and i + 2j - 2k is

If a vector vecr of magnitude 3sqrt6 is directed along the bisector of the angle between the vectors veca =7veci-4vecj -4veck and vecb = -2veci- vecj+ 2veck , then vecr is equal to

If a vector vec r of magnitude 3sqrt(6) is directed along the bisector of the angle between the vectors vec a=7vec i-4vec j-4vec k and vec b=-2vec i-vec j+2vec k, then vec r is equal to

Find the angle between the vectors veca=2i+j-k and vecb=i-j+k .

The angle between the vectors i-j+k and -i+j+2k is

Find the angle between the vectors veca=3i+4j+k and vecb=2i+3j-k .

The vector of magnitude 3sqrt(6) along the bisector of the angle between the vectors 4bar(i)-7bar(j)+4bar(k) and bar(i)+2bar(j)-2bar(k) is