Question

Let ū=i+j,v=i- j and w=i+2+3. If în is a unit vector such thatū•ñ= 0 and yoñ=0, then
WÔ is equal to - R = ū X =
(A)1
(B)2
(C)3
(D)0
وا
پل روا​

Answer 1

hii my name is khushi

your answer is

(C)3

byyyyyyy