Lesson Title - VDOE
If the index of the radical is odd, then the domain is all real numbers. Section 7.8: The Complex Number System. Definition: The Imaginary Unit. The imaginary unit, denoted by the symbol i, is the number whose square root is –1. That is, i2 = –1. Taking the square root of both sides, we can see that . Evaluating Square Roots of negative Numbers ................
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