If `bara.i = 4,` then `bara.[j xx (2j - 3k)]`=

If a.i = 4 then (a . j) xx (2j - 3k) =

If bara.bari = 4 then (bara xx barj).(2barj - 3bark) =

If bara is any vector, then : (bara.i)(baraxx i)+(bara.j)(baraxxj)+(bara.k)(baraxxk)=

If a = 2i - 3j - k, b = I + 4j - 2k then (a + b) xx (a - b) =

Arrange the magnitudes of following vectors in ascending order (A) I xx j + j xx k + k xx i (B) If |a| = 2, |b| = 3, (A,b) = 45^(@) then a xx b (C ) (2i - 3j + 2k) xx (3i - j + 4k)

If bara = 2i + 3j - k , barb = - i + 2 j - 4k and barc = i + j + k . then (a xx b) · ( a xx c)

If bara = i + 5k, barb = 2i + 3k, barc = 4i - j + 2k and bard = i-j , then (barc - bara)·(barb xx bard) =

If bara = mi + 2j - 3k and barb = 3i - 2j + nk are collinear, then (m, n) equiv

If a = 2i + 3j - 4k, b = I + j + k and c = 4i + 2j + 3k, then |a xx (b xx c)| =