Complex Numbers

Complex Number

We can think of complex numbers as pairs of real numbers with the form: $\mathbb{C}={}{(x,y):x,y\epsilon \mathbb{R}}$ Where addition is defined as: for $x,y,a,b\epsilon \mathbb{R}$ $(x,y)+(a,b)=(x+a,y+b)$ And multiplication defined as: $(x,y)(a,b)=(xa-yb,xb+ya)$

New Resources

Sets and HCF of Two Numbers
koch tool
Multiplication with Area Models
seo tool
Sets and LCM of Two Numbers

Discover Resources

DynaGraph_Shelley
Powers of Complex Numbers
AverageGradient_Limit
triangle_orthocenter
DEMO Understand squareroot formula

Discover Topics

Solids or 3D Shapes
Multiplication
Logarithmic Functions
Planes
Power Functions