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What is the sum of 12 – 5i and –3 + 4i? a.) –16 + 63i b.) 9 – i c.) 9 – 9i d.) 15 – 9i

Alexa Spicer

in Mathematics

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Craig Stewart on January 10, 2018

Just add the real and imaginary parts: 12-3 = 9-5i+4i = -iSo the answer is 9-i, the b response.


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