If OA is equally inclined to OX,OY and OZ and if A is $\sqrt 3 $ units from the origin . then A is :

Question

\[\begin {array} {1 1} (a)\;(3,3,3) & \quad (b)\;(-1,1,-1) \\ (c)\;(-1,1,1) & \quad (d)\;(1,1,1)\end {array}\]