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OpenStudy (anonymous):
My question asks me to write a solution in interval notation - if I have (x-4)(x-3i)(x+3i)(x+4)>0 is there a way to express the complex numbers in interval notation?
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OpenStudy (anonymous):
Not really, I'm guessing you are not expected to consider the complex solutions.
OpenStudy (anonymous):
not sure.. as I told you before it is diferent. You're no longer in |R, you're in |C with complex notation
OpenStudy (anonymous):
that's right u would have to have two different sets of intervals and the meaning is completely different.
OpenStudy (anonymous):
OK - thanks so much
OpenStudy (anonymous):
Anyway, consider only the real numbers to do the interval. x>4 or x< -4
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OpenStudy (zarkon):
the complex numbers are not an ordered field therefore < and > have no meaning
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