View and Download the solved questions, solved numerical problems or 9th Class Mathematics notes of Chapter 2 “Real and Complex Numbers” of Punjab Textbook Board. These 9th class Mathematics notes of 2nd 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 2 Solved Questions and Numericals Problems.

### Unit 2: Real and Complex Numbers

These are clearly written notes about chapter 2 problems. This Chapter is all about real numbers and complex numbers as you can see in the below animated picture.

###### Real numbers as a union of sets of rational and irrational numbers.We will draw numbers on real line, and demonstrate with terminating and non-terminating recurring decimals on the real line.

Differentiate between radical form and exponential form of expression. Transform an expression given in radical form to an exponential form and vice versa.

Apply the laws of exponents to simplify expression with real exponents.

Define Complex number **z = a + ib**, Conjugate of a complex number. Knowing condition for equality of complex numbers.

Define basic operations (Adddition, Subtraction, Multiplication, Division) of complex numbers.

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