What is the length of projection of the vector i+2 j+3 k on the vector 2 i+3 j-2 k?

NDA 2023 Mathematics question

What is the length of projection of the vector on the vector ?

Answer: (B)

Let and . Projection of

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

Question ID VK-029742