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OpenStudy (anonymous):
write the expression as a complex number in standard form (8+4i)(2+i)
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OpenStudy (anonymous):
We have : \[(8+4i)(2+i)=16+8i+8i+4i^2 \\=16+16i-4 \\=12+16i\]
OpenStudy (anonymous):
thats the final answer
OpenStudy (anonymous):
It should be the last answer as I think ! ;)
OpenStudy (anonymous):
ok thank you
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