If the vectors a = i - j +2 k , b =2 i +4 j + k and c = i + j + k are mutually orthogonal, then ( , )

MHT CET 2024 Mathematics question

If the vectors and are mutually orthogonal, then

Answer: (A)

Mutual orthogonality needs , , . First, (already satisfied). . $ b·

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-096751