[" Let "|vec a|=7,|vec b|=11,|vec a+vec b|=10sqrt(3)],[" 73.What is "|vec a-bar(b)|" equal to "?]

If |vec(a)|=7, |vec(b)|=11 and |vec(a)+vec(b)|=10 sqrt(3) , then |vec(a)-vec(b)| is equal to

vec(a)+vec(b)+vec(c)=vec(0) such that |vec(a)|=3, |vec(b)|=5 and |vec(c)|=7 . What is |vec(a)+vec(b)| equal to ?

If |vec(a)|=sqrt(2), |vec(b)|=sqrt(3) and |vec(a)+vec(b)|=sqrt(6) , then what is |vec(a)-vec(b)| equal to ?

If |vec(a)| = sqrt2, |vec(b)|=sqrt3 and |vec(a) + vec(b)|= sqrt6 , then what is |vec(a)- vec(b)| equal to ?

| vec a | = 5, | vec a-vec b | = 8 and | vec a + vec b | = 10 then | vec b | is equal to

Let vec a,vec b,vec c be three vectors such that vec a!=0, and vec a xxvec b=2vec a xxvec c,|vec a|=|vec c|=1,|vec b|=4|vec a xxvec c|=sqrt(15) If vec b-2vec c=lambdavec a, then lambda equal to

If |vec a|=1=|vec b| and |vec a + vec b|=sqrt3 then evaluate (2 vec a - vec b) * (3 vec a + vec b) .

What is (vec(a)-vec(b))xx(vec(a)+vec(b)) equal to?

Given |vec a|=|vec b|=1and|vec a+vec b|=sqrt(3). If vec c is a vector such that vec c-vec a-2vec b=3(vec a xxvec b), then find the value of vec cvec b

If vec a , vec b and vec c are perpendicular to vec b+ vec c, vec c +vec a and vec a + vec b respectively and , if | vec a +vec b | =6 , | vec b + vec c | =8 and |vec c +vec a | =10 , " then " | vec a + vec b + vec c| is equal to :