View and Download the PDF solved Notes, solved numerical problems or 9th Class Mathematics notes of Chapter 6 “Algebraic Manipulation” of Punjab Textbook Board. These 9th class Mathematics notes of 4th Chapter are according to the new syllabus (2019) of Punjab Boards including Lahore Board, Gujranwala Board, Sahiwal Board, Rawalpindi Board, Faisalabad Board, Multan Board, Bahawalpur Board, Federal Board, DG Khan Board and Sargodha Board. Students of 9th Class of all these board can facilitate from the Mathematics notes given below. You can also download 9th Class Mathematics Chapter 6 Solved Questions and Numericals Problems.

### Unit 6: Algebraic Manipulation

These are clearly written notes about Chapter 6 Questions/Problems. So first Chapter 6 is all about Algebraic Manipulation.

In this chapter we will learn about Highest Common Factor(HCF) and Least Common Multiple(LCM). Use Factor and division method to find Highest Common Factor and Least Common Multiple. We will also learn the relationship between HCF and LCM. We will use HCF and LCM to solve fractional expression. We will also find square root of Algebaric expressions by factorization and division.

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