## Class 11 Maths Chapter 5 Lecture 6

MISCELLANEOUS EXERCISEQuestion 11. If , prove that .Question 12. Let . Find(i). .(ii). Question 13. Find the modulus and argument of the complex number .Question 14. Find the real numbers…

## Class 11 Complex Numbers Lecture 5

MISCELLANEOUS EXERCISEQuestion 1. Evaluate: .Question 2. For any two complex numbers , prove that .Question 3. Reduce to the standard form.Question 4. If prove that .Question 5. Convert the following…

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## Chapter 5 Lecture 4 Class 11 Maths

Square root of complex numbers SUPPLEMENTARY EXERCISE 5.4 Find the square roots of the following: Question 1. Question 2. Question 3. Question 4. Question 5. Question 6.

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## Complex Numbers Class 11 Lecture 3

Conjugate of a complex number,  Relationship of conjugate with modulus of complex numbersExample 8. Convert the complex number into polar form.Example 12.  Find the conjugate of Example 14. If , prove that…

## Class 11 Maths Lecture 2 Complex Numbers

Cartesian Coordinate System and Polar Coordinate System, Relationship between Cartesian coordinate system and polar coordinate system, Argand Diagram, Meaning of Modulus and Modulus of Complex Numbers mod(z)=|z|= r, Detailed explanation…

## Lecture 1 Complex Numbers Class 11 Maths

Basics of numbers systems, imaginary numbers, real numbers, iota, Meaning of complex numbers, Working with Imaginary Numbers (iota), Working with Complex Numbers, Addition and Subtraction of Complex Numbers, Multiplication of…