Exercise 5.1 class 11

1. Solution: a. Sin -1 1 = $\frac \right]$ = 1 – sinC [2sinA.sinB] = 1 – 2sinA.sinB.sinC = R.H.S> Hence, x 2 + y 2 + z 2 + 2xyz = 1.

Updated for new NCERT Books - 2023-24. Get NCERT Solutions of Chapter 4 Class 11 - Complex Numbers free. All questions, including examples and miscellaneous have been solved and divided into different Concepts, with questions ordered from easy to difficult. The topics of the chapter include • Solving Quadratic equation where root is in negative. • Defining complex numbers - z = a + ib • Solving when two complex numbers are equal • Solving Identities of complex numbers (Square, Cube of 2 complex numbers) • Addition, subtraction, multiplication and division of complex numbers • Power of i (odd power and even power) • Modulus and Conjugate of a complex number, and the property • Finding multiplicative inverse • Finding modulus and argument of a complex number, • and representing it in polar form • Also, doing some proof questions Check the solutions by clicking on an exercise or topic below. (Important questions are marked)

Complex Numbers and Quadratic Equations Class 11 Maths NCERT Solutions are extremely helpful while doing your homework. NCERT Solutions for Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations All Exercises were prepared by Experienced LearnCBSE.in Teachers. Free download NCERT Solutions for Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations Ex 5.1, Ex 5.2, Ex 5.3 and Miscellaneous Exercise PDF in Hindi Medium as well as in English Medium for CBSE, Uttarakhand, Bihar, MP Board, Gujarat Board, BIE, Intermediate and UP Board students, who are using NCERT Books based on updated CBSE Syllabus for the session 2019-20. • • • • • • • • • • • • • • NCERT Solutions for Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations Topics and Sub Topics in Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations: Section Name Topic Name 5 Complex Numbers and Quadratic Equations 5.1 Introduction 5.2 Complex Numbers 5.3 Algebra of Complex Numbers 5.4 The Modulus and the Conjugate of a Complex Number 5.5 Argand Plane and Polar Representation 5.6 Quadratic Equations NCERT Solutions for Class 11 Maths Chapter 5 Exercise 5.1 Question 1: Ans: Question 2: Ans: More Resources for CBSE Class 11 • • • • • • • • • • • • • Question 3: Ans: Question 4: Ans: Question 5: Ans: Question 6: Ans: Question 7: Ans: Question 8: Ans: Question 9: Ans: Question 10: Ans: Question 11: Ans: Question 12: Ans: Question 13: Ans: Question 14: Ans: NCERT Solutions for Class 11 Mat...

NCERT Solutions for Class 11 Chemistry Chapter 5: States of Matter NCERT Solutions Class 11 Chemistry Chapter 5 – Free PDF Download *According to the latest update on the CBSE Syllabus 2023-24, this chapter has been removed. NCERT Solutions for Class 11 Chemistry Chapter 5 States of Matter are available on this page to help students get a clear idea of the basic concepts. Detailed and step-by-step solutions according to the latest CBSE Syllabus 2023-24 are provided for every question listed in the NCERT textbook. This chapter mainly provides complete information regarding the different laws, kinds of thermal energy and intermolecular forces. Solving the exercise questions using the solutions will provide a strong grip on the basic concepts. Through regular practice, students will be able to analyse their areas of weakness and work on them for a better score in the Class 11 Chemistry exam. The solutions contain authentic information by the experts after conducting wide research on the important concepts. Also, these Download PDF carouselExampleControls112 Previous Next  NCERT Solutions for Class 11 Chemistry Chapter 5: States of Matter “ States of Matter” is the fifth chapter in the NCERT Class 11 Chemistry textbook. This chapter contains several fundamental concepts related to intermolecular forces and how they affect the physical state of a substance. It also deals with several other important concepts associated with the liquid and gaseous states of matter. This ...