1.If P=(0,1,0)P=(0,1,0)P=(0,1,0), Q=(0,0,1)Q=(0,0,1)Q=(0,0,1), then the projection of PQPQPQ on the plane x+y+z=3x+y+z=3x+y+z=3 isa.2b.2\sqrt{2}2c.3d.3\sqrt{3}3Login to continueOnly logged in users canattempt or see the solution.