For any non-zero vector a, the value of (a.î)î + (a.ĵ)ĵ + (a.k̂)k̂ is: A. 2a B. a C. 0 D. −a Answer: B) a Explanation: Let a = xî + yĵ + zk̂. Then a.î = x, a.ĵ = y, a.k̂ = z. Substituting these, we get xî + yĵ + zk̂ = a.

imo class 12 vector algebra

For any non-zero vector a, the value of (a.î)î + (a.ĵ)ĵ + (a.k̂)k̂ is:

VAVidaara Admin Asked 6d ago 0 views 0 answers

For any non-zero vector a, the value of (a.î)î + (a.ĵ)ĵ + (a.k̂)k̂ is:

Answer: B) a

Explanation: Let a = xî + yĵ + zk̂. Then a.î = x, a.ĵ = y, a.k̂ = z. Substituting these, we get xî + yĵ + zk̂ = a.

No comments yet — start the discussion.