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OpenStudy (leozap1):
Fan & Medal. If a polynomial equation P(x) = 0 has 3+4i as a solution, what other solution mus it have?
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OpenStudy (leozap1):
I think it's 3-4i but I'm not sure.
OpenStudy (anonymous):
Correct!
OpenStudy (anonymous):
The conjugate of 3 + 4i has to be a solution if 3 + 4i is a solution. The conjugate of a + bi is a - bi. Therefore, the conjugate of 3 + 4i is 3 - 4i.
OpenStudy (leozap1):
Thank you! :D
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