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EXERCISE 5.1

**Question 1.** z = – 1 – i

**Question 2.** z = – + i
Convert each of the complex numbers given in Exercises 3 to 8 in the polar form:

**Question 3.** 1 – i 4. – 1 + i 5. – 1 – i
6. – 3 7. + i 8. i

EXERCISE 5.2

**Solve each of the following equations: **

**Question 1.** x2 + 3 = 0

**Question 2.** 2x2 + x + 1 = 0

**Question 3.** x2 + 3x + 9 = 0

**Question 4.** – x2 + x – 2 = 0

**Question 5.** x2 + 3x + 5 = 0

**Question 6.** x2 – x + 2 = 0

**Question 7.** 2x2 + x + 2 = 0

**Question 8.** 3x2 − 2x + 3 3 = 0

**Question 9.** 2 1 0
2
x + x + =

**Question 10.** 2 1 0
2
x + x

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उपर दिखायी दे रही पीडीऍफ़ को डाउनलोड करने का लिंक

- Chapter 10 Straight lines
**[Ques wise Ans]** - Chapter 11 Conic Section
**[Ques wise Ans]** - Chapter 12 Introduction to 3D Geometry
**[Ques wise Ans]** - Chapter 13 Limit and Derivatives
**[Ques wise Ans]** - Chapter 1 Sets
- Chapter 2 Relations and Functions
- Chapter 3 Trigonometric Functions
- Chapter 4 Principle of Mathematical Induction
- Chapter 5 Complex Numbers and Quadratic Equations
- Chapter 6 Linear Inequalities
- Chapter 7 Permutations and Combinations
- Chapter 8 Binomial Theorem
- Chapter 9 Sequences and Series
- Chapter 10 Straight Lines
- Chapter 11 Conic Sections
- Chapter 12 Introduction to Three Dimensional Geometry
- Chapter 13 Limits and Derivatives
- Chapter 14 Mathematical Reasoning
- Chapter 15 Statistics
- Chapter 16 Probability

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- NCERT Solutions for Class 11
- NCERT Solutions for Class 12

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