[I - j j - k k - i] =

Arrange the following in the descending order of magnitude (A) [I xx j j xx k k xx i] (B) [I + jj + k k + i] (C ) (I xx j) (j xx k) (D) (K xx j) (k xx j)

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

The volume of the parallelopiped with edges 2i - 4j + 5k, I - j + k, 3i - 5j + 2k is -8

The volume of the parallelopiped whose edges are represented by 2i - 3j , i + j - k, 3i - k is

The volume of (in cubic units) of the tetrahedron with edges I + j + k, I - j + k and I + 2j - k is

The position vector of the centroid of the triangle formed by the points i + j + k, i - j + k, -i + j + k is

Let : bara = i - j, barb = j - k, barc = k - i If bard is a unit vector such that bara. bard = 0 = [barb barc bard] , then : bard =