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Multiplying complex numbersThis video explains how complex numbers can be multiplied together.
There is an accompanying leaflet. Sigma resource Unit 5.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
Multiplying complex numbersThis mobile phone video explains how complex numbers can be multiplied together. There is an accompanying leaflet. Sigma resource Unit 5.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
Multiplying complex numbersThis mobile phone video explains how complex numbers can be multiplied together.
There is an accompanying leaflet.
Division of complex numbersThis mobile phone video explains how to divide complex numbers.
There is an accompanying leaflet.
Motivating the study of complex numbersThis mobile phone download introduces complex numbers by explaining how it is useful to be able to formally write down the square root of a negative number. Sigma resource Unit 1.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
Adding and Subtracting Complex NumbersThis mobile phone video explains how complex numbers can be added or subtracted.
There is an accompanying leaflet.
Motivating the study of complex numbersThis mobile phone download introduces complex numbers by explaining how it is useful to be able to formally write down the square root of a negative number.
The modulus and argument of a complex numberThis video explains how to calculate the modulus and argument of a complex number. Sigma resource Unit 9.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
The modulus and argument of a complex numberThis mobile phone video explains how to calculate the modulus and argument of a complex number. Sigma resource Unit 9.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
The modulus and argument of a complex numberThis leaflet explains how to calculate the modulus and argument of a complex number.
There are accompanying videos. Sigma resource Unit 9.
Complex Roots of Polynomials - Numbas2 questions finding roots of real polynomials.
Numbas resources have been made available under a Creative Commons licence by the School of Mathematics & Statistics at Newcastle University.
Complex NumbersThis mobile phone video explains what is meant by a complex number, and how to find its real and imaginary parts.
What is a complex number ?This leaflet gives a simple, brief introduction to the concept of a complex number. (Engineering Maths First Aid Kit 7.1)
The polar form of a complex numberThis mobile phone video explains what is meant by the polar form of a complex number.
There is an accompanying leaflet.
The polar form of a complex numberThis mobile phone video explains what is meant by the polar form of a complex number. Sigma resource Unit 10.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
The modulus and argument of a complex numberThis mobile phone video explains how to calculate the modulus and argument of a complex number.
There is an accompanying leaflet.
Polar form and De Moivre's Theorem - Numbas3 questions. Finding modulus and argument of complex numbers. Use De Moivre's Theorem to find powers of complex numbers
Polar Form and De Moivre's Theorem - Numbas3 questions. Finding modulus and argument of complex numbers. Use De Moivre's Theorem to find powers of complex numbers. Numbas resources have been made available under a Creative Commons licence by the School of Mathematics & Statistics at Newcastle University.
Imaginary numbers and quadratic equationsThis leaflet shows how the imaginary number i can be used in the solution of some quadratic equations. Sigma resource Unit 2.
Imaginary numbers and quadratic equationsThis video shows how the imaginary number i can be used in the solution of some quadratic equations. Sigma resource Unit 2.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
Imaginary numbers and quadratic equationsThis video shows how the imaginary number i can be used in the solution of some quadratic equations. Sigma resource Unit 2.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
Imaginary numbers and quadratic equationsThis mobile phone video shows how the imaginary number i can be used in the solution of some quadratic equations. Sigma resource Unit 2.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by mathcentre.
The exponential formComplex numbers can be written in exponential form. This leaflet explains how this is done. (Engineering Maths First Aid Kit 7.7)
Multiplication and division in polar formThis leaflet explains how complex numbers in polar form can be multiplied and divided.
In polar form, these operations are particularly simple to carry out.(Engineering Maths First Aid Kit 7.6)
Complex Numbers Test 01 (DEWIS)Seven questions on complex numbers. Testing modulus, multiplication, division, Argand diagram, polar form, De Moivre's theorem. DEWIS resources have been made available under a Creative Commons licence by Rhys Gwynllyw & Karen Henderson, University of the West of England, Bristol.
The Argand DiagramThis mobile phone video explains how complex numbers can be represented pictorially using an Argand Diagram.
There is an accompanying leaflet.
