N 10 1 2 July 8, 2019 16 32 64 128 N 10 1 2n N 1 10 2 3 N 1 d1 10 ns1 2 2009 1 n 10 pages 141 à 156 5 n 10 )= 1 2 8 n 1 )= 10 2n 9 10 n 1 2 5 n 1 10 )= 1 2 answer N 2 6n 10 /( 2n 1 38 42 10 n 1 26 33 e 10 5 n )- 1 29 2 10 1 20 n 30 1 10 n 20 3 10 1 20 n 30 N 1 d1 10 ns0 2