If `|vec(a)| = 2, |vec(b)| = 3 and vec (a) . vec(b)`= 3 , then find the projection of `vec(b)" on " vec(a)`

If vec(a) and vec(b) are two vector such that |vec(a)| = 2, |vec(b)| =3 and vec(a).vec(b) =4 , then find the value of |vec(a)- vec(b)|

Two vectors vec(a) and vec(b) are such that |vec(a)| = 2 , |vec(b)| = 1 and vec(a) . vec(b) = 1 , then find the value of (3 vec(a) - 5 vec(b)).(2 vec(a) + 7vec(b))

If vec(a) and vec(b) are two vectors such that |vec(a)|= 2, |vec(b)| = 3 and vec(a)*vec(b)=4 then find the value of |vec(a)-vec(b)|

If vec(a) and vec(b) are two vectors, such that |vec(a)| = 2, |vec(b)| = 1 and vec(a).vec(b) = 1 , then find (3 vec(a) - 5vec(b)).(2vec(a) + 7vec(b)) .

If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projection of vec b\ on\ vec adot

If |vec a|=2,|vec b|=3 and vec avec b=3 find the projection of vec b on vec a

|vec(a)|=2, |vec(b)|=3 and vec(a).vec(b)= -8 , then the value of |vec(a) + 3vec(b)| is