Ncert maths class.12 chapter.7 ex 7.4 Question,13 to 25 समाकलन ( integration) Ex 7.3 NCERT

class.12 maths ex 7.4 q 13 to 25 class.12 maths ex 7.4 ,q 13 class.12 maths ex 7.4 q 14 class.12 maths ex 7.4 q 15 class.12 maths ex 7.4 q 16 class.12 maths Ex 7.4 q 17 class.12 maths ex 7.4 q 18 class.12 maths ex 7.4 q 19 class 12 maths ex 7.4 q 20 class.12 maths ex 7.4 q 21 class.12 maths ex 7.4 q 22 class.12 maths ex7.4 q 23 class.12 maths ex7.4 q24 class 12 maths ex,7.4 q 25 ncert maths class.13 integration chapter.7 ex 7.4 q 13,14,15,16,17,18,19,20,21,22,24,25