defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Vector Algebra Scalar Triple Product
Let a, b, and c be distinct non-negative numbers. If the vectors \(a\hat i + a\hat j +c\hat k\), \(\hat i +\hat k\) and \(c \hat i +c \hat j + b \hat k\) lie in a plane c is,
1
The arithmetic mean of a and b
2
The geometric mean of and b
3
The harmonic mean of a and b
4
Equal to zero