The volume of the tetrahedron with edges `i+j+k,i-j+k,j +2j-k` is -

The volume of the tetrahedron formed by 4i + 5j + k, - j + k, 3i + 9j + 4k, 4 (-I + j + 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 volume of the parallelopiped with edges 2i - 4j + 5k, I - j + k, 3i - 5j + 2k is -8

Find the volume of the tetrahedron having the edges , bar(i) + bar(j) + bar(k), bar(i)-bar(j), bar(i) + 2bar(j) + bar(k) .

If the volume of the tetrahedron with edges 2bar(i)+bar(j)+bar(k),bar(i)+abar(j)+bar(k) and vec i+2bar(j)-bar(k) is one cubic unit then a=

The ascending order of the following (A) volume of the tertrahedron formed by 4i + 5j + k. - j + k. 3i + 9j + 4k, -4i + 4j + 4k (B) Volume of the parallelopiped with edges 2i + 3j + 4k. I + 2j - 2k, 3i - j + k (C ) |a xx (b xx c)| where a = 2i + 3j - 4k, b = i j + k, c = 4i + 2j + 3k (D) |(a xx b) xx c| where a = i - 2j + k, b = 2i + j - k, c = 4i + 2j + 3k

If the volume of tetrahedron with edges bar(i)+bar(j)-bar(k) , bar(i)+abar(j)+bar(k) and bar(i)+2bar(j)-bar(k) is (a)/(6) then a=