1. - 145 - Ajith Wimanga Wijesinghe 07 07 2. - 146 - Ajith Wimanga Wijesinghe 1 + (1 + ) + (1 + ) + … … … … … . (1 + ) m%idrKfha ys ix.=Klh ( )! ( )!( )! nj fmkajkak'…
