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OpenStudy (anonymous):
Write a polynomial equation of least degree with roots 3, -1, 2i, and -2i. How many times does the graph of the related function intersect the x-axis. Please explain and show work.
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OpenStudy (mathmath333):
roots are 3, -1, 2i, and -2i equation will be (x-3)(x+1)(x-2i)(x+2i)=0
OpenStudy (mathmath333):
u can simplify it
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