chapter -3 - algebra chapter - 3 - Algebra - ex:3.1 -or- chapter - 3 - Algebra - ex:3.2 -or- chapter - 3 - Algebra - ex:3.3 -or- chapter - 3 - Algebra - ex:3.4 -or- chapter - 3 - Algebra - ex:3.5 -or- chapter - 3 - Algebra - ex:3.6 -or- chapter - 3 - Algebra - ex:3.7 -or- chapter - 3 - Algebra - ex:3.8 -or- chapter - 3 - Algebra - ex:3.9 -or- chapter - 3 - Algebra - ex:3.10 -or- chapter - 3 - Algebra - ex:3.11 -or- chapter - 3 - Algebra - ex:3.12 -or- chapter - 3 - Algebra - ex:3.13 chapter - 3 - Algebra - ex:3.14 chapter - 3 - Algebra - ex:3.15 chapter - 3 - Algebra - ex:3.16 chapter - 3 - Algebra - ex:3.17 chapter - 3 - Algebra - ex:3.18 chapter - 3 - Algebra - ex:3.19