Equation Icon  ( a)2 2 2 2 3 guu = − 1 + raaΩ + r a − r S + O (r ), (10.34 ) ( b 2- 2 ) 2- 2 3 gua = − 1 + rabΩ + 3 r S Ωa + raa + 3 rSa + O(r ), (10.35 ) ( 1 ) 1 1 ( ) gab = δab − 1 + -r2S Ωa Ωb − -r2Sab + --r2 SaΩb + ΩaSb + O (r3), (10.36 ) 3 3 3