[" If "AB=-i-2j-6k,BC=2i-j+k,AC=i-3j-5k" .then "],[/_B=]

If a=2i-3j+5k, b=3i-4j+5k" and "c=5i-3j-2k then volume of the parallelopiped with coterminus edges a+b, b+c, c+a is _______

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

If A(3i-2j-k), B(2i+3j-4k), C(-i+j+2k)" and "D(4i+5j+lambdak) are coplanar points, then lambda= ________

If a = 3i - 2j + k, b = 2i - 4j - 3k, c = -i + 2j + 2k then a + b + c =

If A = i + 2j + 3k, B = 2i + 4j + 7k and C = 2i + 3j + 5k are collinear, then the ratio in which B divides bar(AC) is