#nbf #class10 #maths This video is solution of Exercise 2.4 from chapter 2 or unit 2 (Quadratic Equations) of class 10 Math new book from National Book Foundatuion (NBF) and from the New Course for Federal Board or fbise students. We have solved class 10 maths chapter 2 exercise 2.4 from 10th class mathematics book by the NBF for federal board students. Ex 2.4 is from federal board class 10 maths chapter 2 and is very important for your board exams preparation. Time codes: 00:00:00 introduction and concepts 00:06:38 Q 1 00:10:52 Q 2 00:19:18 Q3 00:37:38 Q4 1:02:30 Q5 1:10:16 Q6 1:17:34 Q7 1:26:42 Q8