mathematics

chapter-1- set language - ex 1.1

chapter-1- set language - ex 1.2

chapter-1- set language - ex 1.3

chapter-1- set language - ex 1.4

chapter-1- set language - ex 1.5

chapter-1- set language - ex 1.6

chapter-3- algebra - ex 3.1

chapter-3- algebra - ex 3.2

chapter-3- algebra - ex 3.3

chapter-3- algebra - ex 3.4

chapter-3- algebra - ex 3.5

chapter-3- algebra - ex 3.6

chapter - 5 - coordinate geometry - ex 5.1

chapter - 5 - coordinate geometry - ex 5.2

chapter - 6 - trigonometry - ex 6.1

chapter - 6 - trigonometry - ex 6.2

chapter - 6 - trigonometry - ex 6.3

chapter - 6 - trigonometry - ex 6.4