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

Let bara,barb,barc be unit vectors such that bara+barb+barc=bar0 . Which one of the following is correct?

Let veca,vecb,vecc be unit vectors such that veca+vecb+vecc=vec0 . Which of the following is correct?

Let a,b and c be three unit vectors such that 3a+4b+5c=0 . Then which of the following statements is true?

Given a+b+c+d=0 . Which of the following statements(s) is (are) correct?

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"

Let A,B and C be nxxn matrices. Which one of the following is a correct statement?

Let A=[{:(1,2),(3,4):}]and B = [{:(a,0),(0,b):}] where a, b are natural numbers, then which one of the following is correct ?

Let a, b, c be three vectors such that each of them are non-collinear, a+b and b+c are collinear with c and a respectively and a+b+c=k. Then (|k|, |k|) lies on

Let vec a , vec b and vec c be unit vectors such that vec a+ vec b- vec c=0. If the area of triangle formed by vectors vec a and vec b is A , then what is the value of 4A^2?

vec a , vec b , vec c are unit vectors such that vec a+ vec b+ vec c=0. then find the value of vec a. vec b+ vec b.vec c+ vec c. vec a