2. the equation of the plane passing througn tne nree points a, b and c with position vectors i+.j+k and k+l is (a)r (++k)= 0 (c)r-+j+k) =2 (b)r (++k)=1 (d)r (i

2. The equation of the plane passing througn tne nree points A, B and C with position vectors i+.j+k and k+l is (a)r (++k)= 0 (c)r-+j+k) =2 (b)r (++k)=1 (d)r (i+j+k) =3