Question

If a vector is represented by xi+yj + zk, its length, X-Y plane is pls answer​

Answer 1

Explanation:

refer to the attachment for answer.

Answer 2

Answer:

You should take only the X and Y elements, i.e., 3i^ and j^ .

So, the resultant (r) should be like what geometry says :

(3)^2 + (1)^2 = (r)^2

I think.