View and Download PDF solved exercise or 9th Class Mathematics notes of Chapter 4 “Algebraic Expressions and Algebraic Formulas” 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 4 Solved Questions and Numericals Problems.

### Unit 4: Algebraic Expressions and Algebraic Formulas

These are clearly written notes about Chapter 4 Questions/Problems. So first Chapter 4 is all about Algebraic Expressions and Algebraic Formulas.

###### In this chapter we will learn about Rational Epressions and Polynomials. Examine whether an Algebraic expression is polynomial or rational expression.Reduce a rational expression or polynomial to its lowest form. Divide a rational expression with another and express result in lowest form.Find the value of Algebric Expressions for some particular real number.

Proving basic laws (Addition, Subtraction, Multiplication, Division) of Algebraic Expressions and Algebraic Formulas.

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