Question

y Given, 3/2)-62
4 1 . What
the angle between A and B?
31. For what values of a and will the vectors 21-
and ai bj - 2k be parallel to each other!
and b, will the vectors 21-3)-k
la = 4.
-6)
32. For what value of a, will the vectors al-2j+k and
2a1aj - 4k be perpendicular to each other
L-1 and 21
33. Prove that (A +28). (ZA-38) 2A + ABcose - 6B-
34. Determine the value of n so that the vectors
A = 21+4)-nk and = 31-4)+2k are perpendicu-
lar.
1-5)
​

Answer 1

Answer:

.

Explanation: