Mathematics Exam > Mathematics Videos > Algebra > Basics of Complex Numbers
Basics of Complex Numbers Video Lecture | Algebra - Mathematics
|
161 videos|58 docs
|
FAQs on Basics of Complex Numbers Video Lecture - Algebra - Mathematics
| 1. What are complex numbers? |  |
Ans. Complex numbers are numbers that consist of a real part and an imaginary part. They are expressed in the form a + bi, where a is the real part, b is the imaginary part, and i is the imaginary unit.
| 2. How do you add complex numbers? | |
Ans. To add complex numbers, you simply add the real parts together and the imaginary parts together. For example, (3 + 2i) + (1 - 4i) would be (3 + 1) + (2i - 4i) = 4 - 2i.
| 3. Can complex numbers be multiplied? | |
Ans. Yes, complex numbers can be multiplied. To multiply complex numbers, you use the distributive property and the fact that i^2 equals -1. For example, (2 + 3i) * (4 - 5i) would be (2 * 4) + (2 * -5i) + (3i * 4) + (3i * -5i) = 8 - 10i + 12i - 15i^2 = 8 + 2i - 15(-1) = 23 + 2i.
| 4. How do you find the conjugate of a complex number? | |
Ans. To find the conjugate of a complex number, you change the sign of the imaginary part. For example, the conjugate of 3 + 4i would be 3 - 4i.
| 5. What is the modulus or absolute value of a complex number? | |
Ans. The modulus or absolute value of a complex number is the distance between the origin and the point representing the complex number in the complex plane. It is calculated by taking the square root of the sum of the squares of the real and imaginary parts. For example, the modulus of 2 + 3i would be sqrt(2^2 + 3^2) = sqrt(4 + 9) = sqrt(13).
Related Exams
About this Video
|
4.70/5 Rating |
|
Nov 09, 2024 Last updated |
Video Description: Basics of Complex Numbers for Mathematics 2024 is part of Algebra preparation.
The notes and questions for Basics of Complex Numbers have been prepared according to the Mathematics exam syllabus.
Information about Basics of Complex Numbers covers all important topics for Mathematics 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Basics of Complex Numbers.
Introduction of Basics of Complex Numbers in English is available as part of our Algebra for Mathematics & Basics of Complex Numbers in
Hindi for Algebra course. Download more important topics related with notes, lectures and mock test series for
Mathematics Exam by signing up for free.
Description
Video Lecture & Questions for Basics of Complex Numbers Video Lecture | Algebra - Mathematics - Mathematics full syllabus preparation | Free video for Mathematics exam to prepare for Algebra.
Information about Basics of Complex Numbers
Here you can find the meaning of Basics of Complex Numbers defined & explained in the simplest way possible.
Besides explaining types of Basics of Complex Numbers theory, EduRev gives you an ample number of questions to practice Basics of Complex Numbers tests,
examples and also practice Mathematics tests.
|
161 videos|58 docs
|
|
Explore Courses for Mathematics exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
practice quizzes
,Extra Questions
,shortcuts and tricks
,study material
,Summary
,Exam
,Free
,Sample Paper
,MCQs
,Objective type Questions
,past year papers
,Basics of Complex Numbers Video Lecture | Algebra - Mathematics
,Basics of Complex Numbers Video Lecture | Algebra - Mathematics
,Viva Questions
,Semester Notes
,Basics of Complex Numbers Video Lecture | Algebra - Mathematics
,Previous Year Questions with Solutions
,video lectures
,Important questions
,mock tests for examination
,ppt
;
Study Basics of Complex Numbers on the App
Students of Mathematics can study Basics of Complex Numbers alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Basics of Complex Numbers,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Basics of Complex Numbers is prepared as per the latest Mathematics syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup