Imaginary numbers in Integrated 2.

imaginary numbers, (Intro to the imaginary numbers (video) | Khan Academy) should also be in IM2, since we had just learned them in class this year. proof, this is the book we use for math Free Easy Access Student Edition (easyaccessmaterials.com). What you have for unit four in IM2 is not the same as what we are learning, (this might be because I am in IM2 Advanced though)