[" 2.Let "vec C=vec A+vec B" ."],[[" (a) ",1,vec C," I is always greater than ",|vec A|]]

Let vec(C )= vec(A)+vec(B) then

Let vec(C )= vec(A)+vec(B) then

Let vec a,vec b and vec c be pairwise mutually perpendicular vectors,such that |vec a|=1,|vec b|=2,|vec c|=2. Then find the length of vec a+vec b+vec c

Let vec a , vec ba n d vec c be pairwise mutually perpendicular vectors, such that | vec a|=1,| vec b|=2,| vec c|=2. Then find the length of vec a+ vec b+ vec c

Let vec a , vec ba n d vec c be pairwise mutually perpendicular vectors, such that | vec a|=1,| vec b|=2,| vec c|=2. Then find the length of | vec a+ vec b+ vec c |

Let vec a , vec ba n d vec c be pairwise mutually perpendicular vectors, such that | vec a|=1,| vec b|=2,| vec c|=2. Then find the length of vec a+ vec b+ vec c

Let vec a,vec b,vec c are three non-zero vectors such that vec a xxvec b=vec c and vec b xxvec c=vec a; prove that vec a,vec b,vec c are mutually at righ angles such that |vec b|=1 and |vec c|=|vec a|

Let vec a = i-j, vec b = j-k, vec c = k-i . If vec d is a unit vectors such that vec a. vec d = 0 = [vec b vec c vec d] , then vec d =

[vec a+vec b,vec b+vec c,vec c+vec a]=2[vec a,vec b,vec c]

Let vec a , vec b , vec c be three unit vectors and vec a . vec b= vec a . vec c=0. If the angel between vec b and vec c is pi/3 , then find the value of |[ vec a vec b vec c]| .