The foot of perpendicular from (". b.y) on y axis is (a) (0,a.0 () (0,b,0) b) (0,0,0) (d) none of these o a o b o c o d 1 point 15. * the equation of the plane

The foot of perpendicular from (". B.Y) on Y axis is (a) (0,a.0 () (0,B,0) b) (0,0,0) (d) None of these O a O b O C O d 1 point 15. * The equation of the plane which passes through the point (3,- 3,1) and is perpendicular to the line joining (3,2,- 1) and (2,- 1,5). (a)x + 3y - 6z +12 =0 (c)X-3y- 62 +12 =0 (6) x+3y-62-12 =0 (d) X- 3y-62-12 -0