Question

16.
17
3 Prove that the vectors A = 4i +3 +6 and
B = 12 i +91 +3k are parallel to each other.
3,1 A-2 i +3j + k and B =3i+2° +46, then
find the value of (A + B)x(A-B1
(Ans. - 20 i +10 +106)
4 Eind the value of a for which the vectors
3i+3 +9k and î + aj +3k are parallel
.
(Ans. a = 1)
3 Find a unit vector perpendicular to the vectors
3 = 4 1 - 1 + 3 k and B=-21 + 1-2k.
Tans 11-12 12
18​

Answer 1

Answer:

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