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complex numbers

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428

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+1678

What is $a-2b$, where $a=4-2i$ and $b=3+4i$?

wiseowl Feb 21, 2021

1⁺⁰ Answers

+1223

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$(4-2i) - 2(3+4i) = (4-2i) - (6+8i) = \boxed{-2-10i}$

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CubeyThePenguin Feb 21, 2021

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