Q.44. let ř denote the position vector of any point in three-dimensional space, and r = |r|.then [net dec.20 (a) v.r = 0 and v x r= (b) v.= 0 and vr =0 () v.=3

Q.44. Let ř denote the position vector of any point in three-dimensional space, and r = |r|.Then [Net Dec.20 (a) V.r = 0 and V x r= (b) V.= 0 and Vr =0 () V.=3 and Vr = (d) v.i= 3 and V x f =0