2c 2 1 )( 2c 2 1 )( c 4 3 July 8, 2019 16 32 64 128 2c(1 + c) - (c - 2)(c + 4) 1 - (2/(c - 2) - 2/(c + 2))(c - (3c + 2)/4) 3) 1 - (2/(c - 2) - 2/(c + 2))(c - (3c + 2)/4)