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

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

The angle between the vectors 2i - 3j + k and 4i+ j-2k is given by

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

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

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

A vector of magnitude 2 along a bisector of the angle between the two vectors 2i2j+k and i+2j-2k is

The sine of the angle between the vectors I + 3j - 2k, 2i - 4j - k is

" The angle between the vectors "2i+j-3k" and "3i-2j-k" is "

The vector of length 3sqrt(6) which is along the internal bisector of the angle between the vector (7hat i-4hat j-4hat k) and (-2hat i-hat j+2hat k) is (alphahat i+betahat j+gammahat k) then the value of sqrt(alpha^(2)+beta^(2)+gamma^(2)) is