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lisabon 2012 [21]
3 years ago
10

PLEASE HELP!!

Mathematics
1 answer:
pogonyaev3 years ago
4 0

Answer:

Work shown below!

Step-by-step explanation:

\sqrt{-18}=\sqrt{18i^{2} }  =\sqrt{2*9i^{2} }=3i\sqrt{2}

2\sqrt{-16} =2\sqrt{16i^{2} } =4i*2=8i

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