Geometry Help: Vector a, vector b are two vectors in space where |a| =3, |b|= 4, |a-b|=sqrt(43).Find

Here is the technique to solve the question related to the vector and how to find them in step-by-step
Vector a, vector b are two vectors in space where |a| =3, |b|= 4, |a-b|=sqrt(43).Find