Tham KY's answer to emily's Junior College 1 H2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
Pls check...
emily
Emily
6 years ago
thanks!
emily
Emily
6 years ago
why is it equals to zero when a and b are non parallel vectors ?
Tham KY
Tham KY
6 years ago
If parallel, then vector a is k times vector b. If not parallel, then their coefficients must be zero so as to make them equal.