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Tutorial - Simplifying expressions with complex numbers ex 7, (3 + root(-4))(4 + root(-1))

In this video playlist, you will learn everything you need to know with complex and imaginary numbers (3 + root(-4))(4 + root(-1)). Heavy snow warning as up to 30 inches to strike: 'Stay indoors' ...
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Pre-calculus - Multiplying radicals using the imaginary unit i, root(5) * root(-8)

In this math tutorial, I will show you how to multiply complex numbers. Complex numbers come in the form of a + bi.