A body of mass \( m \) is projected with velocity \( \lambda v_{e} \) in vertically upward direction from the surface of the earth into space. It is given that \( v_{e} \) is escape velocity and \( \lambda < 1 \). If air resistance is considered to be negligible, the maximum height from the centre of earth, to which the body can go, will be: (\( R \): radius of earth)
