SOLUTION: Find the value of k for which the two vectors A=(2, -1, k, 5) and B=(-2, 0, 3, k) are orthogonal.

Algebra ->  Linear-equations -> SOLUTION: Find the value of k for which the two vectors A=(2, -1, k, 5) and B=(-2, 0, 3, k) are orthogonal.      Log On


   

Question 1185071: Find the value of k for which the two vectors A=(2, -1, k, 5) and B=(-2, 0, 3, k) are orthogonal.
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Two vectors of equal dimension are orthogonal if and only if their dot product is zero.

2%28-2%29-1%280%29%2Bk%283%29%2B5%28k%29=0

Easy to solve....