[" 49.Given that "vec A+vec B+vec C=0." Which of the following options "],[" is correct? "]

If |vec A+vec B|=|vec A-vec B|, which of the following options is true?

Given vec a + vec b + vec c+ vec d= 0 , which of the following statements are correct:

Let vec a, vec b, vec c be unit vectors such that vec a + vec b + vec c = vec 0 . Which one of the following is correct?

Let vec a,vec b,vec c be unit vectors such that vec a+vec b+vec c=vec 0 .Which of the following is correct?

Give vec A + vec B+ vec C + vec D =0 , which of the following statements are correct ? (a) vec A, vec B ,vec C abd vec C must each be a null vector. (b) The magnitude of ( vec A + vec C) equals the magnitude of ( vec B + vec D0 . ltBrgt (c ) The magnitude of vec A can never be greater than the sum of the magnitude of vec B , vec C and vec D . ( d) vec B + vec C must lie in the plance of vec A + vec D. if vec A and vec D are not colliner and in the line of vec A and vec D , if they are collinear.

The vectors vec(a), vec(b), vec(c ) and vec(d) are such that vec(a) xx vec(b) = vec(c ) xx vec(d) and vec(a) xx vec(c )= vec(b) xx vec(d) . Which of the following is/are correct? 1. (vec(a)- vec(d)) xx (vec(b) - vec(c ))= vec(0) 2. (vec(a) xx vec(b))xx (vec(c ) xx vec(d))= vec(0) Select the correct answer using the codes given below

If vec a in the plane of vectors vec b\ a n d\ vec c then which of the following is correct? [ vec a\ vec b\ vec c]=0 b. "\" [ vec a\ vec b\ vec c]=1' c. "[ vec a\ vec b\ vec c]=3" d. "[ vec b\ vec c\ vec a]=1"

If vec a , vec b are two vectors ,then which of the following statements is/ are correct : | vec a|=| vec b| =>vec a=+- vec b

If vec a , vec b are two vectors, then which of the following statements is/ are correct :: | vec a|=| vec b| =>vec a= vec b

If vec a , vec b are two vectors, then which of the following statements is/ are correct : vec a=- vec b =>| vec a|=| vec b|