Let’s say you have the following equation:
Figure 1. |
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How would we solve this equation for x? In order to solve for x, we need to take the square root of a negative number. Previously, we have been unable to do this. In order to make it work, we're going to create an Imaginary Number:
Imaginary Number |
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Pure Imaginary Numbers |
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Pure Imaginary Numbers are the square roots of negative real numbers, such as: |
Here's how you would take the square root of -45:
Figure 2. |
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