11 Matrix Inversion of a 3×3 Matrix

October 16, 2009

Video showing how to do a Matrix Inversion of a 3x3 Matrix

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11 Matrix Inversion of a 3×3 Matrix Worksheet

October 16, 2009

Worksheet for the Matrix Inversion of a 3x3 Matrix

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Motivating the Study of Complex Numbers

January 9, 2009

This video introduces complex numbers by explaining how it is useful to be able to formally write down the square root of a negative number.

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Imaginary Numbers and Quadratic Equations

January 8, 2009

This video shows how the imaginary number i can be used in the solution of some quadratic equations.

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What is a Complex Number?

January 7, 2009

This video explains what is meant by a complex number, and how to find its real and imaginary parts.

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Adding and Subtracting Complex Numbers

January 6, 2009

This video explains how complex numbers can be added or subtracted.

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Multiplying Complex Numbers

January 5, 2009

This video explains how complex numbers can be multiplied together.

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The Complex Conjugate

January 4, 2009

This video explains what is meant by the complex conjugate of a complex number.

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Division of Complex Numbers

January 3, 2009

This video explains how to divide complex numbers.

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The Argand Diagram

January 2, 2009

This video explains how complex numbers can be represented pictorially using an Argand Diagram.

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