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OpenStudy (anonymous):
Simplify the following expression. (5 - 2i) / (7 - i)
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OpenStudy (anonymous):
This is pre-calculus & Complex Numbers, btw.
OpenStudy (anonymous):
\[\frac{ 5-2i }{7-i }\]Just so I can see it better. I gotta think now...
OpenStudy (anonymous):
I know I can find the answer in my calculator... I just need to make sure I know how to divide this by hand.
OpenStudy (anonymous):
Multiply the numerator and denominator by the complex conjugate of the denominator. in this case that would be 7 + i. This is essentially multiplying the expression by 1. It will help us simplify it.
OpenStudy (anonymous):
Okay, so I need to use foil them once I set it up like...|dw:1348782827893:dw|
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