Exercise 3.1 Q No 1|| New math 9th class || 9th math new book || math with Junaid

Exercise 3.1 Q No 1 Sets and Functions || New math 9th class || 9th math new book full detailed Chapter no 3 math new Book 2025 updated syllabus ptb math new book 9th class sets and function types of set #newmathbook #mathnewbook9th #2025mathnewbook