B 2 2b 8 4 b 3b 12 July 8, 2019 16 32 64 128 (3b)/(b - 2) (4b)/(b + 2) (12b ^ 2)/(b ^ 2 - 4) B) 8 + 2b dla b = - 4 (3b ^ 2 + 2b)/(b ^ 2 - 4) - b/(b - 2)
