Find $| \mathbf { a } |$ , a + B $\mathbf { a } - \mathbf { b }$

Q33: Find an equation of the plane through

Q34: Find the value d for which the

Q35: Find a unit vector that has

Q36: Describe the surface whose equation in

Q37: Find the cosine of the acute

Q39: Given a triangle with vertices A(1,

Q40: Let a = <span class="ql-formula"

Q41: Find the point at which the following

Q42: Find the distance between the following two

Q43: Find the set of intersection of