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OpenStudy (anonymous):
how do you multiply complex numbers?
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OpenStudy (anonymous):
You could use the FOIL method. EXAMPLE: (2 + 3i) • (4 + 5i) = 2(4 + 5i) + 3i(4 + 5i) = 8 + 10i + 12i + 15i2 = 8 + 22i + 15(-1) = 8 + 22i -15 = -7 + 22i Answer
OpenStudy (amistre64):
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